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76 lines
2.6 KiB
76 lines
2.6 KiB
4 months ago
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc %s -o - -asm-verbose=false | FileCheck %s
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target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
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target triple = "thumbv6m-arm-none-eabi"
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define i32 @C(i32 %x, i32* nocapture %y) #0 {
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; CHECK-LABEL: C:
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; CHECK: .save {r4, r5, r7, lr}
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; CHECK-NEXT: push {r4, r5, r7, lr}
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; CHECK-NEXT: movs r2, #0
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; CHECK-NEXT: ldr r3, .LCPI0_0
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; CHECK-NEXT: .LBB0_1:
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; CHECK-NEXT: cmp r2, #128
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; CHECK-NEXT: beq .LBB0_5
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; CHECK-NEXT: movs r4, #0
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; CHECK-NEXT: str r4, [r3, #8]
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; CHECK-NEXT: lsls r4, r2, #2
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; CHECK-NEXT: adds r5, r4, r0
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; CHECK-NEXT: str r5, [r3]
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; CHECK-NEXT: movs r5, #1
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; CHECK-NEXT: str r5, [r3, #12]
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; CHECK-NEXT: isb sy
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; CHECK-NEXT: .LBB0_3:
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; CHECK-NEXT: ldr r5, [r3, #12]
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; CHECK-NEXT: cmp r5, #0
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; CHECK-NEXT: bne .LBB0_3
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; CHECK-NEXT: ldr r5, [r3, #4]
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; CHECK-NEXT: str r5, [r1, r4]
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; CHECK-NEXT: adds r2, r2, #1
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; CHECK-NEXT: b .LBB0_1
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; CHECK-NEXT: .LBB0_5:
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; CHECK-NEXT: movs r0, #0
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; CHECK-NEXT: pop {r4, r5, r7, pc}
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; CHECK-NEXT: .p2align 2
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; CHECK-NEXT: .LCPI0_0:
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; CHECK-NEXT: .long 805355524
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entry:
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br label %for.cond
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for.cond: ; preds = %B.exit, %entry
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%i.0 = phi i32 [ 0, %entry ], [ %inc, %B.exit ]
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%exitcond = icmp eq i32 %i.0, 128
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br i1 %exitcond, label %for.end, label %for.body
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for.body: ; preds = %for.cond
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%mul = shl i32 %i.0, 2
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%add = add i32 %mul, %x
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store volatile i32 0, i32* inttoptr (i32 805355532 to i32*), align 4
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store volatile i32 %add, i32* inttoptr (i32 805355524 to i32*), align 4
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store volatile i32 1, i32* inttoptr (i32 805355536 to i32*), align 16
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tail call void @llvm.arm.isb(i32 15) #1
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br label %while.cond.i
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while.cond.i: ; preds = %while.cond.i, %for.body
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%0 = load volatile i32, i32* inttoptr (i32 805355536 to i32*), align 16
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%tobool.i = icmp eq i32 %0, 0
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br i1 %tobool.i, label %B.exit, label %while.cond.i
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B.exit: ; preds = %while.cond.i
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%1 = load volatile i32, i32* inttoptr (i32 805355528 to i32*), align 8
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%arrayidx = getelementptr inbounds i32, i32* %y, i32 %i.0
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store i32 %1, i32* %arrayidx, align 4
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%inc = add nuw nsw i32 %i.0, 1
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br label %for.cond
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for.end: ; preds = %for.cond
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ret i32 0
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}
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; Function Attrs: nounwind
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declare void @llvm.arm.isb(i32) #1
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attributes #0 = { minsize nounwind optsize }
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attributes #1 = { nounwind }
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