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497 lines
18 KiB
497 lines
18 KiB
; RUN: llc < %s -mtriple aarch64--none-eabi -mcpu=cortex-a57 -verify-machineinstrs -enable-narrow-ld-merge=true | FileCheck %s --check-prefix=CHECK --check-prefix=LE
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; RUN: llc < %s -mtriple aarch64_be--none-eabi -mcpu=cortex-a57 -verify-machineinstrs -enable-narrow-ld-merge=true | FileCheck %s --check-prefix=CHECK --check-prefix=BE
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; RUN: llc < %s -mtriple aarch64--none-eabi -mcpu=kryo -verify-machineinstrs -enable-narrow-ld-merge=true | FileCheck %s --check-prefix=CHECK --check-prefix=LE
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; CHECK-LABEL: Ldrh_merge
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; CHECK-NOT: ldrh
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; CHECK: ldr [[NEW_DEST:w[0-9]+]]
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; CHECK-DAG: and [[LO_PART:w[0-9]+]], [[NEW_DEST]], #0xffff
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; CHECK-DAG: lsr [[HI_PART:w[0-9]+]], [[NEW_DEST]], #16
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; LE: sub {{w[0-9]+}}, [[LO_PART]], [[HI_PART]]
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; BE: sub {{w[0-9]+}}, [[HI_PART]], [[LO_PART]]
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define i16 @Ldrh_merge(i16* nocapture readonly %p) {
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%1 = load i16, i16* %p, align 2
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%arrayidx2 = getelementptr inbounds i16, i16* %p, i64 1
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%2 = load i16, i16* %arrayidx2, align 2
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%add = sub nuw nsw i16 %1, %2
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ret i16 %add
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}
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; CHECK-LABEL: Ldurh_merge
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; CHECK-NOT: ldurh
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; CHECK: ldur [[NEW_DEST:w[0-9]+]]
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; CHECK-DAG: and [[LO_PART:w[0-9]+]], [[NEW_DEST]], #0xffff
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; CHECK-DAG: lsr [[HI_PART:w[0-9]+]], [[NEW_DEST]]
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; LE: sub {{w[0-9]+}}, [[LO_PART]], [[HI_PART]]
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; BE: sub {{w[0-9]+}}, [[HI_PART]], [[LO_PART]]
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define i16 @Ldurh_merge(i16* nocapture readonly %p) {
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entry:
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%arrayidx = getelementptr inbounds i16, i16* %p, i64 -2
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%0 = load i16, i16* %arrayidx
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%arrayidx3 = getelementptr inbounds i16, i16* %p, i64 -1
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%1 = load i16, i16* %arrayidx3
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%add = sub nuw nsw i16 %0, %1
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ret i16 %add
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}
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; CHECK-LABEL: Ldrh_4_merge
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; CHECK-NOT: ldrh
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; CHECK: ldp [[WORD1:w[0-9]+]], [[WORD2:w[0-9]+]], [x0]
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; CHECK-DAG: and [[WORD1LO:w[0-9]+]], [[WORD1]], #0xffff
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; CHECK-DAG: lsr [[WORD1HI:w[0-9]+]], [[WORD1]], #16
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; CHECK-DAG: and [[WORD2LO:w[0-9]+]], [[WORD2]], #0xffff
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; CHECK-DAG: lsr [[WORD2HI:w[0-9]+]], [[WORD2]], #16
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; LE-DAG: sub [[TEMP1:w[0-9]+]], [[WORD1HI]], [[WORD1LO]]
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; BE-DAG: sub [[TEMP1:w[0-9]+]], [[WORD1LO]], [[WORD1HI]]
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; LE: udiv [[TEMP2:w[0-9]+]], [[TEMP1]], [[WORD2LO]]
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; BE: udiv [[TEMP2:w[0-9]+]], [[TEMP1]], [[WORD2HI]]
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; LE: sub w0, [[TEMP2]], [[WORD2HI]]
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; BE: sub w0, [[TEMP2]], [[WORD2LO]]
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define i16 @Ldrh_4_merge(i16* nocapture readonly %P) {
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%arrayidx = getelementptr inbounds i16, i16* %P, i64 0
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%l0 = load i16, i16* %arrayidx
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%arrayidx2 = getelementptr inbounds i16, i16* %P, i64 1
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%l1 = load i16, i16* %arrayidx2
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%arrayidx7 = getelementptr inbounds i16, i16* %P, i64 2
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%l2 = load i16, i16* %arrayidx7
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%arrayidx12 = getelementptr inbounds i16, i16* %P, i64 3
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%l3 = load i16, i16* %arrayidx12
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%add4 = sub nuw nsw i16 %l1, %l0
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%add9 = udiv i16 %add4, %l2
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%add14 = sub nuw nsw i16 %add9, %l3
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ret i16 %add14
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}
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; CHECK-LABEL: Ldrsh_merge
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; CHECK: ldr [[NEW_DEST:w[0-9]+]]
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; CHECK-DAG: asr [[LO_PART:w[0-9]+]], [[NEW_DEST]], #16
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; CHECK-DAG: sxth [[HI_PART:w[0-9]+]], [[NEW_DEST]]
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; LE: sub {{w[0-9]+}}, [[LO_PART]], [[HI_PART]]
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; BE: sub {{w[0-9]+}}, [[HI_PART]], [[LO_PART]]
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define i32 @Ldrsh_merge(i16* %p) nounwind {
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%add.ptr0 = getelementptr inbounds i16, i16* %p, i64 4
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%tmp = load i16, i16* %add.ptr0
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%add.ptr = getelementptr inbounds i16, i16* %p, i64 5
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%tmp1 = load i16, i16* %add.ptr
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%sexttmp = sext i16 %tmp to i32
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%sexttmp1 = sext i16 %tmp1 to i32
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%add = sub nsw i32 %sexttmp1, %sexttmp
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ret i32 %add
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}
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; CHECK-LABEL: Ldrsh_zsext_merge
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; CHECK: ldr [[NEW_DEST:w[0-9]+]]
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; LE-DAG: and [[LO_PART:w[0-9]+]], [[NEW_DEST]], #0xffff
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; LE-DAG: asr [[HI_PART:w[0-9]+]], [[NEW_DEST]], #16
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; BE-DAG: sxth [[LO_PART:w[0-9]+]], [[NEW_DEST]]
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; BE-DAG: lsr [[HI_PART:w[0-9]+]], [[NEW_DEST]], #16
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; LE: sub {{w[0-9]+}}, [[LO_PART]], [[HI_PART]]
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; BE: sub {{w[0-9]+}}, [[HI_PART]], [[LO_PART]]
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define i32 @Ldrsh_zsext_merge(i16* %p) nounwind {
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%add.ptr0 = getelementptr inbounds i16, i16* %p, i64 4
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%tmp = load i16, i16* %add.ptr0
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%add.ptr = getelementptr inbounds i16, i16* %p, i64 5
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%tmp1 = load i16, i16* %add.ptr
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%sexttmp = zext i16 %tmp to i32
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%sexttmp1 = sext i16 %tmp1 to i32
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%add = sub nsw i32 %sexttmp, %sexttmp1
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ret i32 %add
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}
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; CHECK-LABEL: Ldrsh_szext_merge
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; CHECK: ldr [[NEW_DEST:w[0-9]+]]
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; LE-DAG: sxth [[LO_PART:w[0-9]+]], [[NEW_DEST]]
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; LE-DAG: lsr [[HI_PART:w[0-9]+]], [[NEW_DEST]], #16
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; BE-DAG: and [[LO_PART:w[0-9]+]], [[NEW_DEST]], #0xffff
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; BE-DAG: asr [[HI_PART:w[0-9]+]], [[NEW_DEST]], #16
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; LE: sub {{w[0-9]+}}, [[LO_PART]], [[HI_PART]]
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; BE: sub {{w[0-9]+}}, [[HI_PART]], [[LO_PART]]
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define i32 @Ldrsh_szext_merge(i16* %p) nounwind {
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%add.ptr0 = getelementptr inbounds i16, i16* %p, i64 4
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%tmp = load i16, i16* %add.ptr0
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%add.ptr = getelementptr inbounds i16, i16* %p, i64 5
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%tmp1 = load i16, i16* %add.ptr
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%sexttmp = sext i16 %tmp to i32
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%sexttmp1 = zext i16 %tmp1 to i32
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%add = sub nsw i32 %sexttmp, %sexttmp1
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ret i32 %add
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}
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; CHECK-LABEL: Ldrb_merge
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; CHECK: ldrh [[NEW_DEST:w[0-9]+]]
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; CHECK-DAG: and [[LO_PART:w[0-9]+]], [[NEW_DEST]], #0xff
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; CHECK-DAG: ubfx [[HI_PART:w[0-9]+]], [[NEW_DEST]], #8, #8
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; LE: sub {{w[0-9]+}}, [[LO_PART]], [[HI_PART]]
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; BE: sub {{w[0-9]+}}, [[HI_PART]], [[LO_PART]]
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define i32 @Ldrb_merge(i8* %p) nounwind {
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%add.ptr0 = getelementptr inbounds i8, i8* %p, i64 2
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%tmp = load i8, i8* %add.ptr0
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%add.ptr = getelementptr inbounds i8, i8* %p, i64 3
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%tmp1 = load i8, i8* %add.ptr
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%sexttmp = zext i8 %tmp to i32
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%sexttmp1 = zext i8 %tmp1 to i32
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%add = sub nsw i32 %sexttmp, %sexttmp1
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ret i32 %add
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}
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; CHECK-LABEL: Ldrsb_merge
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; CHECK: ldrh [[NEW_DEST:w[0-9]+]]
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; CHECK-DAG: sxtb [[LO_PART:w[0-9]+]], [[NEW_DEST]]
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; CHECK-DAG: sbfx [[HI_PART:w[0-9]+]], [[NEW_DEST]], #8, #8
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; LE: sub {{w[0-9]+}}, [[LO_PART]], [[HI_PART]]
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; BE: sub {{w[0-9]+}}, [[HI_PART]], [[LO_PART]]
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define i32 @Ldrsb_merge(i8* %p) nounwind {
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%add.ptr0 = getelementptr inbounds i8, i8* %p, i64 2
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%tmp = load i8, i8* %add.ptr0
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%add.ptr = getelementptr inbounds i8, i8* %p, i64 3
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%tmp1 = load i8, i8* %add.ptr
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%sexttmp = sext i8 %tmp to i32
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%sexttmp1 = sext i8 %tmp1 to i32
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%add = sub nsw i32 %sexttmp, %sexttmp1
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ret i32 %add
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}
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; CHECK-LABEL: Ldrsb_zsext_merge
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; CHECK: ldrh [[NEW_DEST:w[0-9]+]]
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; LE-DAG: and [[LO_PART:w[0-9]+]], [[NEW_DEST]], #0xff
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; LE-DAG: sbfx [[HI_PART:w[0-9]+]], [[NEW_DEST]], #8, #8
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; BE-DAG: sxtb [[LO_PART:w[0-9]+]], [[NEW_DEST]]
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; BE-DAG: ubfx [[HI_PART:w[0-9]+]], [[NEW_DEST]], #8, #8
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; LE: sub {{w[0-9]+}}, [[LO_PART]], [[HI_PART]]
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; BE: sub {{w[0-9]+}}, [[HI_PART]], [[LO_PART]]
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define i32 @Ldrsb_zsext_merge(i8* %p) nounwind {
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%add.ptr0 = getelementptr inbounds i8, i8* %p, i64 2
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%tmp = load i8, i8* %add.ptr0
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%add.ptr = getelementptr inbounds i8, i8* %p, i64 3
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%tmp1 = load i8, i8* %add.ptr
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%sexttmp = zext i8 %tmp to i32
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%sexttmp1 = sext i8 %tmp1 to i32
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%add = sub nsw i32 %sexttmp, %sexttmp1
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ret i32 %add
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}
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; CHECK-LABEL: Ldrsb_szext_merge
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; CHECK: ldrh [[NEW_DEST:w[0-9]+]]
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; LE-DAG: sxtb [[LO_PART:w[0-9]+]], [[NEW_DEST]]
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; LE-DAG: ubfx [[HI_PART:w[0-9]+]], [[NEW_DEST]], #8, #8
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; BE-DAG: and [[LO_PART:w[0-9]+]], [[NEW_DEST]], #0xff
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; BE-DAG: sbfx [[HI_PART:w[0-9]+]], [[NEW_DEST]], #8, #8
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; LE: sub {{w[0-9]+}}, [[LO_PART]], [[HI_PART]]
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; BE: sub {{w[0-9]+}}, [[HI_PART]], [[LO_PART]]
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define i32 @Ldrsb_szext_merge(i8* %p) nounwind {
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%add.ptr0 = getelementptr inbounds i8, i8* %p, i64 2
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%tmp = load i8, i8* %add.ptr0
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%add.ptr = getelementptr inbounds i8, i8* %p, i64 3
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%tmp1 = load i8, i8* %add.ptr
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%sexttmp = sext i8 %tmp to i32
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%sexttmp1 = zext i8 %tmp1 to i32
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%add = sub nsw i32 %sexttmp, %sexttmp1
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ret i32 %add
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}
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; CHECK-LABEL: Ldursh_merge
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; CHECK: ldur [[NEW_DEST:w[0-9]+]]
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; CHECK-DAG: asr [[LO_PART:w[0-9]+]], [[NEW_DEST]], #16
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; CHECK-DAG: sxth [[HI_PART:w[0-9]+]], [[NEW_DEST]]
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; LE: sub {{w[0-9]+}}, [[LO_PART]], [[HI_PART]]
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; BE: sub {{w[0-9]+}}, [[HI_PART]], [[LO_PART]]
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define i32 @Ldursh_merge(i16* %p) nounwind {
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%add.ptr0 = getelementptr inbounds i16, i16* %p, i64 -1
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%tmp = load i16, i16* %add.ptr0
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%add.ptr = getelementptr inbounds i16, i16* %p, i64 -2
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%tmp1 = load i16, i16* %add.ptr
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%sexttmp = sext i16 %tmp to i32
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%sexttmp1 = sext i16 %tmp1 to i32
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%add = sub nsw i32 %sexttmp, %sexttmp1
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ret i32 %add
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}
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; CHECK-LABEL: Ldursh_zsext_merge
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; CHECK: ldur [[NEW_DEST:w[0-9]+]]
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; LE-DAG: lsr [[LO_PART:w[0-9]+]], [[NEW_DEST]], #16
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; LE-DAG: sxth [[HI_PART:w[0-9]+]], [[NEW_DEST]]
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; BE-DAG: asr [[LO_PART:w[0-9]+]], [[NEW_DEST]], #16
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; BE-DAG: and [[HI_PART:w[0-9]+]], [[NEW_DEST]], #0xffff
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; LE: sub {{w[0-9]+}}, [[LO_PART]], [[HI_PART]]
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; BE: sub {{w[0-9]+}}, [[HI_PART]], [[LO_PART]]
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define i32 @Ldursh_zsext_merge(i16* %p) nounwind {
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%add.ptr0 = getelementptr inbounds i16, i16* %p, i64 -1
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%tmp = load i16, i16* %add.ptr0
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%add.ptr = getelementptr inbounds i16, i16* %p, i64 -2
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%tmp1 = load i16, i16* %add.ptr
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%sexttmp = zext i16 %tmp to i32
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%sexttmp1 = sext i16 %tmp1 to i32
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%add = sub nsw i32 %sexttmp, %sexttmp1
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ret i32 %add
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}
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; CHECK-LABEL: Ldursh_szext_merge
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; CHECK: ldur [[NEW_DEST:w[0-9]+]]
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; LE-DAG: asr [[LO_PART:w[0-9]+]], [[NEW_DEST]], #16
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; LE-DAG: and [[HI_PART:w[0-9]+]], [[NEW_DEST]], #0xffff
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; BE-DAG: lsr [[LO_PART:w[0-9]+]], [[NEW_DEST]], #16
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; BE-DAG: sxth [[HI_PART:w[0-9]+]], [[NEW_DEST]]
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; LE: sub {{w[0-9]+}}, [[LO_PART]], [[HI_PART]]
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; BE: sub {{w[0-9]+}}, [[HI_PART]], [[LO_PART]]
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define i32 @Ldursh_szext_merge(i16* %p) nounwind {
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%add.ptr0 = getelementptr inbounds i16, i16* %p, i64 -1
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%tmp = load i16, i16* %add.ptr0
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%add.ptr = getelementptr inbounds i16, i16* %p, i64 -2
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%tmp1 = load i16, i16* %add.ptr
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%sexttmp = sext i16 %tmp to i32
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%sexttmp1 = zext i16 %tmp1 to i32
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%add = sub nsw i32 %sexttmp, %sexttmp1
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ret i32 %add
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}
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; CHECK-LABEL: Ldurb_merge
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; CHECK: ldurh [[NEW_DEST:w[0-9]+]]
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; CHECK-DAG: ubfx [[LO_PART:w[0-9]+]], [[NEW_DEST]], #8, #8
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; CHECK-DAG: and [[HI_PART:w[0-9]+]], [[NEW_DEST]], #0xff
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; LE: sub {{w[0-9]+}}, [[LO_PART]], [[HI_PART]]
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; BE: sub {{w[0-9]+}}, [[HI_PART]], [[LO_PART]]
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define i32 @Ldurb_merge(i8* %p) nounwind {
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%add.ptr0 = getelementptr inbounds i8, i8* %p, i64 -1
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%tmp = load i8, i8* %add.ptr0
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%add.ptr = getelementptr inbounds i8, i8* %p, i64 -2
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%tmp1 = load i8, i8* %add.ptr
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%sexttmp = zext i8 %tmp to i32
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%sexttmp1 = zext i8 %tmp1 to i32
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%add = sub nsw i32 %sexttmp, %sexttmp1
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ret i32 %add
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}
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; CHECK-LABEL: Ldursb_merge
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; CHECK: ldurh [[NEW_DEST:w[0-9]+]]
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; CHECK-DAG: sbfx [[LO_PART:w[0-9]+]], [[NEW_DEST]], #8, #8
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; CHECK-DAG: sxtb [[HI_PART:w[0-9]+]], [[NEW_DEST]]
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; LE: sub {{w[0-9]+}}, [[LO_PART]], [[HI_PART]]
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; BE: sub {{w[0-9]+}}, [[HI_PART]], [[LO_PART]]
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define i32 @Ldursb_merge(i8* %p) nounwind {
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%add.ptr0 = getelementptr inbounds i8, i8* %p, i64 -1
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%tmp = load i8, i8* %add.ptr0
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%add.ptr = getelementptr inbounds i8, i8* %p, i64 -2
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%tmp1 = load i8, i8* %add.ptr
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%sexttmp = sext i8 %tmp to i32
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%sexttmp1 = sext i8 %tmp1 to i32
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%add = sub nsw i32 %sexttmp, %sexttmp1
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ret i32 %add
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}
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; CHECK-LABEL: Ldursb_zsext_merge
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; CHECK: ldurh [[NEW_DEST:w[0-9]+]]
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; LE-DAG: ubfx [[LO_PART:w[0-9]+]], [[NEW_DEST]], #8, #8
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; LE-DAG: sxtb [[HI_PART:w[0-9]+]], [[NEW_DEST]]
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; BE-DAG: sbfx [[LO_PART:w[0-9]+]], [[NEW_DEST]], #8, #8
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; BE-DAG: and [[HI_PART:w[0-9]+]], [[NEW_DEST]], #0xff
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; LE: sub {{w[0-9]+}}, [[LO_PART]], [[HI_PART]]
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; BE: sub {{w[0-9]+}}, [[HI_PART]], [[LO_PART]]
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define i32 @Ldursb_zsext_merge(i8* %p) nounwind {
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%add.ptr0 = getelementptr inbounds i8, i8* %p, i64 -1
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%tmp = load i8, i8* %add.ptr0
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%add.ptr = getelementptr inbounds i8, i8* %p, i64 -2
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%tmp1 = load i8, i8* %add.ptr
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%sexttmp = zext i8 %tmp to i32
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%sexttmp1 = sext i8 %tmp1 to i32
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%add = sub nsw i32 %sexttmp, %sexttmp1
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ret i32 %add
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}
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; CHECK-LABEL: Ldursb_szext_merge
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; CHECK: ldurh [[NEW_DEST:w[0-9]+]]
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; LE-DAG: sbfx [[LO_PART:w[0-9]+]], [[NEW_DEST]], #8, #8
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; LE-DAG: and [[HI_PART:w[0-9]+]], [[NEW_DEST]], #0xff
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; BE-DAG: ubfx [[LO_PART:w[0-9]+]], [[NEW_DEST]], #8, #8
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; BE-DAG: sxtb [[HI_PART:w[0-9]+]], [[NEW_DEST]]
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; LE: sub {{w[0-9]+}}, [[LO_PART]], [[HI_PART]]
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; BE: sub {{w[0-9]+}}, [[HI_PART]], [[LO_PART]]
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define i32 @Ldursb_szext_merge(i8* %p) nounwind {
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%add.ptr0 = getelementptr inbounds i8, i8* %p, i64 -1
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%tmp = load i8, i8* %add.ptr0
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%add.ptr = getelementptr inbounds i8, i8* %p, i64 -2
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%tmp1 = load i8, i8* %add.ptr
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%sexttmp = sext i8 %tmp to i32
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%sexttmp1 = zext i8 %tmp1 to i32
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%add = sub nsw i32 %sexttmp, %sexttmp1
|
|
ret i32 %add
|
|
}
|
|
|
|
; CHECK-LABEL: Strh_zero
|
|
; CHECK: str wzr
|
|
define void @Strh_zero(i16* nocapture %P, i32 %n) {
|
|
entry:
|
|
%idxprom = sext i32 %n to i64
|
|
%arrayidx = getelementptr inbounds i16, i16* %P, i64 %idxprom
|
|
store i16 0, i16* %arrayidx
|
|
%add = add nsw i32 %n, 1
|
|
%idxprom1 = sext i32 %add to i64
|
|
%arrayidx2 = getelementptr inbounds i16, i16* %P, i64 %idxprom1
|
|
store i16 0, i16* %arrayidx2
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: Strh_zero_4
|
|
; CHECK: stp wzr, wzr
|
|
define void @Strh_zero_4(i16* nocapture %P, i32 %n) {
|
|
entry:
|
|
%idxprom = sext i32 %n to i64
|
|
%arrayidx = getelementptr inbounds i16, i16* %P, i64 %idxprom
|
|
store i16 0, i16* %arrayidx
|
|
%add = add nsw i32 %n, 1
|
|
%idxprom1 = sext i32 %add to i64
|
|
%arrayidx2 = getelementptr inbounds i16, i16* %P, i64 %idxprom1
|
|
store i16 0, i16* %arrayidx2
|
|
%add3 = add nsw i32 %n, 2
|
|
%idxprom4 = sext i32 %add3 to i64
|
|
%arrayidx5 = getelementptr inbounds i16, i16* %P, i64 %idxprom4
|
|
store i16 0, i16* %arrayidx5
|
|
%add6 = add nsw i32 %n, 3
|
|
%idxprom7 = sext i32 %add6 to i64
|
|
%arrayidx8 = getelementptr inbounds i16, i16* %P, i64 %idxprom7
|
|
store i16 0, i16* %arrayidx8
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: Strw_zero
|
|
; CHECK: str xzr
|
|
define void @Strw_zero(i32* nocapture %P, i32 %n) {
|
|
entry:
|
|
%idxprom = sext i32 %n to i64
|
|
%arrayidx = getelementptr inbounds i32, i32* %P, i64 %idxprom
|
|
store i32 0, i32* %arrayidx
|
|
%add = add nsw i32 %n, 1
|
|
%idxprom1 = sext i32 %add to i64
|
|
%arrayidx2 = getelementptr inbounds i32, i32* %P, i64 %idxprom1
|
|
store i32 0, i32* %arrayidx2
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: Strw_zero_nonzero
|
|
; CHECK: stp wzr, w1
|
|
define void @Strw_zero_nonzero(i32* nocapture %P, i32 %n) {
|
|
entry:
|
|
%idxprom = sext i32 %n to i64
|
|
%arrayidx = getelementptr inbounds i32, i32* %P, i64 %idxprom
|
|
store i32 0, i32* %arrayidx
|
|
%add = add nsw i32 %n, 1
|
|
%idxprom1 = sext i32 %add to i64
|
|
%arrayidx2 = getelementptr inbounds i32, i32* %P, i64 %idxprom1
|
|
store i32 %n, i32* %arrayidx2
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: Strw_zero_4
|
|
; CHECK: stp xzr
|
|
define void @Strw_zero_4(i32* nocapture %P, i32 %n) {
|
|
entry:
|
|
%idxprom = sext i32 %n to i64
|
|
%arrayidx = getelementptr inbounds i32, i32* %P, i64 %idxprom
|
|
store i32 0, i32* %arrayidx
|
|
%add = add nsw i32 %n, 1
|
|
%idxprom1 = sext i32 %add to i64
|
|
%arrayidx2 = getelementptr inbounds i32, i32* %P, i64 %idxprom1
|
|
store i32 0, i32* %arrayidx2
|
|
%add3 = add nsw i32 %n, 2
|
|
%idxprom4 = sext i32 %add3 to i64
|
|
%arrayidx5 = getelementptr inbounds i32, i32* %P, i64 %idxprom4
|
|
store i32 0, i32* %arrayidx5
|
|
%add6 = add nsw i32 %n, 3
|
|
%idxprom7 = sext i32 %add6 to i64
|
|
%arrayidx8 = getelementptr inbounds i32, i32* %P, i64 %idxprom7
|
|
store i32 0, i32* %arrayidx8
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: Sturb_zero
|
|
; CHECK: sturh wzr
|
|
define void @Sturb_zero(i8* nocapture %P, i32 %n) #0 {
|
|
entry:
|
|
%sub = add nsw i32 %n, -2
|
|
%idxprom = sext i32 %sub to i64
|
|
%arrayidx = getelementptr inbounds i8, i8* %P, i64 %idxprom
|
|
store i8 0, i8* %arrayidx
|
|
%sub2= add nsw i32 %n, -1
|
|
%idxprom1 = sext i32 %sub2 to i64
|
|
%arrayidx2 = getelementptr inbounds i8, i8* %P, i64 %idxprom1
|
|
store i8 0, i8* %arrayidx2
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: Sturh_zero
|
|
; CHECK: stur wzr
|
|
define void @Sturh_zero(i16* nocapture %P, i32 %n) {
|
|
entry:
|
|
%sub = add nsw i32 %n, -2
|
|
%idxprom = sext i32 %sub to i64
|
|
%arrayidx = getelementptr inbounds i16, i16* %P, i64 %idxprom
|
|
store i16 0, i16* %arrayidx
|
|
%sub1 = add nsw i32 %n, -3
|
|
%idxprom2 = sext i32 %sub1 to i64
|
|
%arrayidx3 = getelementptr inbounds i16, i16* %P, i64 %idxprom2
|
|
store i16 0, i16* %arrayidx3
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: Sturh_zero_4
|
|
; CHECK: stp wzr, wzr
|
|
define void @Sturh_zero_4(i16* nocapture %P, i32 %n) {
|
|
entry:
|
|
%sub = add nsw i32 %n, -3
|
|
%idxprom = sext i32 %sub to i64
|
|
%arrayidx = getelementptr inbounds i16, i16* %P, i64 %idxprom
|
|
store i16 0, i16* %arrayidx
|
|
%sub1 = add nsw i32 %n, -4
|
|
%idxprom2 = sext i32 %sub1 to i64
|
|
%arrayidx3 = getelementptr inbounds i16, i16* %P, i64 %idxprom2
|
|
store i16 0, i16* %arrayidx3
|
|
%sub4 = add nsw i32 %n, -2
|
|
%idxprom5 = sext i32 %sub4 to i64
|
|
%arrayidx6 = getelementptr inbounds i16, i16* %P, i64 %idxprom5
|
|
store i16 0, i16* %arrayidx6
|
|
%sub7 = add nsw i32 %n, -1
|
|
%idxprom8 = sext i32 %sub7 to i64
|
|
%arrayidx9 = getelementptr inbounds i16, i16* %P, i64 %idxprom8
|
|
store i16 0, i16* %arrayidx9
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: Sturw_zero
|
|
; CHECK: stur xzr
|
|
define void @Sturw_zero(i32* nocapture %P, i32 %n) {
|
|
entry:
|
|
%sub = add nsw i32 %n, -3
|
|
%idxprom = sext i32 %sub to i64
|
|
%arrayidx = getelementptr inbounds i32, i32* %P, i64 %idxprom
|
|
store i32 0, i32* %arrayidx
|
|
%sub1 = add nsw i32 %n, -4
|
|
%idxprom2 = sext i32 %sub1 to i64
|
|
%arrayidx3 = getelementptr inbounds i32, i32* %P, i64 %idxprom2
|
|
store i32 0, i32* %arrayidx3
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: Sturw_zero_4
|
|
; CHECK: stp xzr, xzr
|
|
define void @Sturw_zero_4(i32* nocapture %P, i32 %n) {
|
|
entry:
|
|
%sub = add nsw i32 %n, -3
|
|
%idxprom = sext i32 %sub to i64
|
|
%arrayidx = getelementptr inbounds i32, i32* %P, i64 %idxprom
|
|
store i32 0, i32* %arrayidx
|
|
%sub1 = add nsw i32 %n, -4
|
|
%idxprom2 = sext i32 %sub1 to i64
|
|
%arrayidx3 = getelementptr inbounds i32, i32* %P, i64 %idxprom2
|
|
store i32 0, i32* %arrayidx3
|
|
%sub4 = add nsw i32 %n, -2
|
|
%idxprom5 = sext i32 %sub4 to i64
|
|
%arrayidx6 = getelementptr inbounds i32, i32* %P, i64 %idxprom5
|
|
store i32 0, i32* %arrayidx6
|
|
%sub7 = add nsw i32 %n, -1
|
|
%idxprom8 = sext i32 %sub7 to i64
|
|
%arrayidx9 = getelementptr inbounds i32, i32* %P, i64 %idxprom8
|
|
store i32 0, i32* %arrayidx9
|
|
ret void
|
|
}
|
|
|