; RUN: llc -mtriple=thumbv6m-eabi %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-T1 ; RUN: llc -mtriple=thumbv7m-eabi %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-T2 ; Register offset ; CHECK-LABEL: ldrsb_rr ; CHECK: ldrsb r0, [r0, r1] define i32 @ldrsb_rr(i8* %p, i32 %n) { entry: %arrayidx = getelementptr inbounds i8, i8* %p, i32 %n %0 = load i8, i8* %arrayidx, align 1 %conv = sext i8 %0 to i32 ret i32 %conv } ; CHECK-LABEL: ldrsh_rr ; CHECK-T1: lsls r1, r1, #1 ; CHECK-T1: ldrsh r0, [r0, r1] ; CHECK-T2: ldrsh.w r0, [r0, r1, lsl #1] define i32 @ldrsh_rr(i16* %p, i32 %n) { entry: %arrayidx = getelementptr inbounds i16, i16* %p, i32 %n %0 = load i16, i16* %arrayidx, align 2 %conv = sext i16 %0 to i32 ret i32 %conv } ; CHECK-LABEL: ldrb_rr ; CHECK: ldrb r0, [r0, r1] define i32 @ldrb_rr(i8* %p, i32 %n) { entry: %arrayidx = getelementptr inbounds i8, i8* %p, i32 %n %0 = load i8, i8* %arrayidx, align 1 %conv = zext i8 %0 to i32 ret i32 %conv } ; CHECK-LABEL: ldrh_rr ; CHECK-T1: lsls r1, r1, #1 ; CHECK-T1: ldrh r0, [r0, r1] ; CHECK-T2: ldrh.w r0, [r0, r1, lsl #1] define i32 @ldrh_rr(i16* %p, i32 %n) { entry: %arrayidx = getelementptr inbounds i16, i16* %p, i32 %n %0 = load i16, i16* %arrayidx, align 2 %conv = zext i16 %0 to i32 ret i32 %conv } ; CHECK-LABEL: ldr_rr ; CHECK-T1: lsls r1, r1, #2 ; CHECK-T1: ldr r0, [r0, r1] ; CHECK-T2: ldr.w r0, [r0, r1, lsl #2] define i32 @ldr_rr(i32* %p, i32 %n) { entry: %arrayidx = getelementptr inbounds i32, i32* %p, i32 %n %0 = load i32, i32* %arrayidx, align 4 ret i32 %0 } ; CHECK-LABEL: strb_rr ; CHECK: strb r2, [r0, r1] define void @strb_rr(i8* %p, i32 %n, i32 %x) { entry: %conv = trunc i32 %x to i8 %arrayidx = getelementptr inbounds i8, i8* %p, i32 %n store i8 %conv, i8* %arrayidx, align 1 ret void } ; CHECK-LABEL: strh_rr ; CHECK-T1: lsls r1, r1, #1 ; CHECK-T1: strh r2, [r0, r1] ; CHECK-T2: strh.w r2, [r0, r1, lsl #1] define void @strh_rr(i16* %p, i32 %n, i32 %x) { entry: %conv = trunc i32 %x to i16 %arrayidx = getelementptr inbounds i16, i16* %p, i32 %n store i16 %conv, i16* %arrayidx, align 2 ret void } ; CHECK-LABEL: str_rr ; CHECK-T1: lsls r1, r1, #2 ; CHECK-T1: str r2, [r0, r1] ; CHECK-T2: str.w r2, [r0, r1, lsl #2] define void @str_rr(i32* %p, i32 %n, i32 %x) { entry: %arrayidx = getelementptr inbounds i32, i32* %p, i32 %n store i32 %x, i32* %arrayidx, align 4 ret void } ; Immediate offset of zero ; CHECK-LABEL: ldrsb_ri_zero ; CHECK-T1: ldrb r0, [r0] ; CHECK-T1: sxtb r0, r0 ; CHECK-T2: ldrsb.w r0, [r0] define i32 @ldrsb_ri_zero(i8* %p) { entry: %0 = load i8, i8* %p, align 1 %conv = sext i8 %0 to i32 ret i32 %conv } ; CHECK-LABEL: ldrsh_ri_zero ; CHECK-T1: ldrh r0, [r0] ; CHECK-T1: sxth r0, r0 ; CHECK-T2: ldrsh.w r0, [r0] define i32 @ldrsh_ri_zero(i16* %p) { entry: %0 = load i16, i16* %p, align 2 %conv = sext i16 %0 to i32 ret i32 %conv } ; CHECK-LABEL: ldrb_ri_zero ; CHECK: ldrb r0, [r0] define i32 @ldrb_ri_zero(i8* %p) { entry: %0 = load i8, i8* %p, align 1 %conv = zext i8 %0 to i32 ret i32 %conv } ; CHECK-LABEL: ldrh_ri_zero ; CHECK: ldrh r0, [r0] define i32 @ldrh_ri_zero(i16* %p) { entry: %0 = load i16, i16* %p, align 2 %conv = zext i16 %0 to i32 ret i32 %conv } ; CHECK-LABEL: ldr_ri_zero ; CHECK: ldr r0, [r0] define i32 @ldr_ri_zero(i32* %p) { entry: %0 = load i32, i32* %p, align 4 ret i32 %0 } ; CHECK-LABEL: strb_ri_zero ; CHECK: strb r1, [r0] define void @strb_ri_zero(i8* %p, i32 %x) { entry: %conv = trunc i32 %x to i8 store i8 %conv, i8* %p, align 1 ret void } ; CHECK-LABEL: strh_ri_zero ; CHECK: strh r1, [r0] define void @strh_ri_zero(i16* %p, i32 %x) { entry: %conv = trunc i32 %x to i16 store i16 %conv, i16* %p, align 2 ret void } ; CHECK-LABEL: str_ri_zero ; CHECK: str r1, [r0] define void @str_ri_zero(i32* %p, i32 %x) { entry: store i32 %x, i32* %p, align 4 ret void } ; Maximum Thumb-1 immediate offset ; CHECK-LABEL: ldrsb_ri_t1_max ; CHECK-T1: movs r1, #31 ; CHECK-T1: ldrsb r0, [r0, r1] ; CHECK-T2: ldrsb.w r0, [r0, #31] define i32 @ldrsb_ri_t1_max(i8* %p) { entry: %arrayidx = getelementptr inbounds i8, i8* %p, i32 31 %0 = load i8, i8* %arrayidx, align 1 %conv = sext i8 %0 to i32 ret i32 %conv } ; CHECK-LABEL: ldrsh_ri_t1_max ; CHECK-T1: movs r1, #62 ; CHECK-T1: ldrsh r0, [r0, r1] ; CHECK-T2: ldrsh.w r0, [r0, #62] define i32 @ldrsh_ri_t1_max(i16* %p) { entry: %arrayidx = getelementptr inbounds i16, i16* %p, i32 31 %0 = load i16, i16* %arrayidx, align 2 %conv = sext i16 %0 to i32 ret i32 %conv } ; CHECK-LABEL: ldrb_ri_t1_max ; CHECK: ldrb r0, [r0, #31] define i32 @ldrb_ri_t1_max(i8* %p) { entry: %arrayidx = getelementptr inbounds i8, i8* %p, i32 31 %0 = load i8, i8* %arrayidx, align 1 %conv = zext i8 %0 to i32 ret i32 %conv } ; CHECK-LABEL: ldrh_ri_t1_max ; CHECK: ldrh r0, [r0, #62] define i32 @ldrh_ri_t1_max(i16* %p) { entry: %arrayidx = getelementptr inbounds i16, i16* %p, i32 31 %0 = load i16, i16* %arrayidx, align 2 %conv = zext i16 %0 to i32 ret i32 %conv } ; CHECK-LABEL: ldr_ri_t1_max ; CHECK: ldr r0, [r0, #124] define i32 @ldr_ri_t1_max(i32* %p) { entry: %arrayidx = getelementptr inbounds i32, i32* %p, i32 31 %0 = load i32, i32* %arrayidx, align 4 ret i32 %0 } ; CHECK-LABEL: strb_ri_t1_max ; CHECK: strb r1, [r0, #31] define void @strb_ri_t1_max(i8* %p, i32 %x) { entry: %conv = trunc i32 %x to i8 %arrayidx = getelementptr inbounds i8, i8* %p, i32 31 store i8 %conv, i8* %arrayidx, align 1 ret void } ; CHECK-LABEL: strh_ri_t1_max ; CHECK: strh r1, [r0, #62] define void @strh_ri_t1_max(i16* %p, i32 %x) { entry: %conv = trunc i32 %x to i16 %arrayidx = getelementptr inbounds i16, i16* %p, i32 31 store i16 %conv, i16* %arrayidx, align 2 ret void } ; CHECK-LABEL: str_ri_t1_max ; CHECK: str r1, [r0, #124] define void @str_ri_t1_max(i32* %p, i32 %x) { entry: %arrayidx = getelementptr inbounds i32, i32* %p, i32 31 store i32 %x, i32* %arrayidx, align 4 ret void } ; One past maximum Thumb-1 immediate offset ; CHECK-LABEL: ldrsb_ri_t1_too_big ; CHECK-T1: movs r1, #32 ; CHECK-T1: ldrsb r0, [r0, r1] ; CHECK-T2: ldrsb.w r0, [r0, #32] define i32 @ldrsb_ri_t1_too_big(i8* %p) { entry: %arrayidx = getelementptr inbounds i8, i8* %p, i32 32 %0 = load i8, i8* %arrayidx, align 1 %conv = sext i8 %0 to i32 ret i32 %conv } ; CHECK-LABEL: ldrsh_ri_t1_too_big ; CHECK-T1: movs r1, #64 ; CHECK-T1: ldrsh r0, [r0, r1] ; CHECK-T2: ldrsh.w r0, [r0, #64] define i32 @ldrsh_ri_t1_too_big(i16* %p) { entry: %arrayidx = getelementptr inbounds i16, i16* %p, i32 32 %0 = load i16, i16* %arrayidx, align 2 %conv = sext i16 %0 to i32 ret i32 %conv } ; CHECK-LABEL: ldrb_ri_t1_too_big ; CHECK-T1: movs r1, #32 ; CHECK-T1: ldrb r0, [r0, r1] ; CHECK-T2: ldrb.w r0, [r0, #32] define i32 @ldrb_ri_t1_too_big(i8* %p) { entry: %arrayidx = getelementptr inbounds i8, i8* %p, i32 32 %0 = load i8, i8* %arrayidx, align 1 %conv = zext i8 %0 to i32 ret i32 %conv } ; CHECK-LABEL: ldrh_ri_t1_too_big ; CHECK-T1: movs r1, #64 ; CHECK-T1: ldrh r0, [r0, r1] ; CHECK-T2: ldrh.w r0, [r0, #64] define i32 @ldrh_ri_t1_too_big(i16* %p) { entry: %arrayidx = getelementptr inbounds i16, i16* %p, i32 32 %0 = load i16, i16* %arrayidx, align 2 %conv = zext i16 %0 to i32 ret i32 %conv } ; CHECK-LABEL: ldr_ri_t1_too_big ; CHECK-T1: movs r1, #128 ; CHECK-T1: ldr r0, [r0, r1] ; CHECK-T2: ldr.w r0, [r0, #128] define i32 @ldr_ri_t1_too_big(i32* %p) { entry: %arrayidx = getelementptr inbounds i32, i32* %p, i32 32 %0 = load i32, i32* %arrayidx, align 4 ret i32 %0 } ; CHECK-LABEL: strb_ri_t1_too_big ; CHECK-T1: movs r2, #32 ; CHECK-T1: strb r1, [r0, r2] ; CHECK-T2: strb.w r1, [r0, #32] define void @strb_ri_t1_too_big(i8* %p, i32 %x) { entry: %conv = trunc i32 %x to i8 %arrayidx = getelementptr inbounds i8, i8* %p, i32 32 store i8 %conv, i8* %arrayidx, align 1 ret void } ; CHECK-LABEL: strh_ri_t1_too_big ; CHECK-T1: movs r2, #64 ; CHECK-T1: strh r1, [r0, r2] ; CHECK-T2: strh.w r1, [r0, #64] define void @strh_ri_t1_too_big(i16* %p, i32 %x) { entry: %conv = trunc i32 %x to i16 %arrayidx = getelementptr inbounds i16, i16* %p, i32 32 store i16 %conv, i16* %arrayidx, align 2 ret void } ; CHECK-LABEL: str_ri_t1_too_big ; CHECK-T1: movs r2, #128 ; CHECK-T1: str r1, [r0, r2] ; CHECK-T2: str.w r1, [r0, #128] define void @str_ri_t1_too_big(i32* %p, i32 %x) { entry: %arrayidx = getelementptr inbounds i32, i32* %p, i32 32 store i32 %x, i32* %arrayidx, align 4 ret void } ; Maximum Thumb-2 immediate offset ; CHECK-LABEL: ldrsb_ri_t2_max ; CHECK-T1: ldr r1, .LCP ; CHECK-T1: ldrsb r0, [r0, r1] ; CHECK-T2: ldrsb.w r0, [r0, #4095] define i32 @ldrsb_ri_t2_max(i8* %p) { entry: %add.ptr = getelementptr inbounds i8, i8* %p, i32 4095 %0 = load i8, i8* %add.ptr, align 1 %conv = sext i8 %0 to i32 ret i32 %conv } ; CHECK-LABEL: ldrsh_ri_t2_max ; CHECK-T1: ldr r1, .LCP ; CHECK-T1: ldrsh r0, [r0, r1] ; CHECK-T2: ldrsh.w r0, [r0, #4095] define i32 @ldrsh_ri_t2_max(i8* %p) { entry: %add.ptr = getelementptr inbounds i8, i8* %p, i32 4095 %0 = bitcast i8* %add.ptr to i16* %1 = load i16, i16* %0, align 2 %conv = sext i16 %1 to i32 ret i32 %conv } ; CHECK-LABEL: ldrb_ri_t2_max ; CHECK-T1: ldr r1, .LCP ; CHECK-T1: ldrb r0, [r0, r1] ; CHECK-T2: ldrb.w r0, [r0, #4095] define i32 @ldrb_ri_t2_max(i8* %p) { entry: %add.ptr = getelementptr inbounds i8, i8* %p, i32 4095 %0 = load i8, i8* %add.ptr, align 1 %conv = zext i8 %0 to i32 ret i32 %conv } ; CHECK-LABEL: ldrh_ri_t2_max ; CHECK-T1: ldr r1, .LCP ; CHECK-T1: ldrh r0, [r0, r1] ; CHECK-T2: ldrh.w r0, [r0, #4095] define i32 @ldrh_ri_t2_max(i8* %p) { entry: %add.ptr = getelementptr inbounds i8, i8* %p, i32 4095 %0 = bitcast i8* %add.ptr to i16* %1 = load i16, i16* %0, align 2 %conv = zext i16 %1 to i32 ret i32 %conv } ; CHECK-LABEL: ldr_ri_t2_max ; CHECK-T1: ldr r1, .LCP ; CHECK-T1: ldr r0, [r0, r1] ; CHECK-T2: ldr.w r0, [r0, #4095] define i32 @ldr_ri_t2_max(i8* %p) { entry: %add.ptr = getelementptr inbounds i8, i8* %p, i32 4095 %0 = bitcast i8* %add.ptr to i32* %1 = load i32, i32* %0, align 4 ret i32 %1 } ; CHECK-LABEL: strb_ri_t2_max ; CHECK-T1: ldr r2, .LCP ; CHECK-T1: strb r1, [r0, r2] ; CHECK-T2: strb.w r1, [r0, #4095] define void @strb_ri_t2_max(i8* %p, i32 %x) { entry: %conv = trunc i32 %x to i8 %add.ptr = getelementptr inbounds i8, i8* %p, i32 4095 store i8 %conv, i8* %add.ptr, align 1 ret void } ; CHECK-LABEL: strh_ri_t2_max ; CHECK-T1: ldr r2, .LCP ; CHECK-T1: strh r1, [r0, r2] ; CHECK-T2: strh.w r1, [r0, #4095] define void @strh_ri_t2_max(i8* %p, i32 %x) { entry: %conv = trunc i32 %x to i16 %add.ptr = getelementptr inbounds i8, i8* %p, i32 4095 %0 = bitcast i8* %add.ptr to i16* store i16 %conv, i16* %0, align 2 ret void } ; CHECK-LABEL: str_ri_t2_max ; CHECK-T1: ldr r2, .LCP ; CHECK-T1: str r1, [r0, r2] ; CHECK-T2: str.w r1, [r0, #4095] define void @str_ri_t2_max(i8* %p, i32 %x) { entry: %add.ptr = getelementptr inbounds i8, i8* %p, i32 4095 %0 = bitcast i8* %add.ptr to i32* store i32 %x, i32* %0, align 4 ret void } ; One past maximum Thumb-2 immediate offset ; CHECK-LABEL: ldrsb_ri_t2_too_big ; CHECK-T1: movs r1, #1 ; CHECK-T1: lsls r1, r1, #12 ; CHECK-T2: mov.w r1, #4096 ; CHECK: ldrsb r0, [r0, r1] define i32 @ldrsb_ri_t2_too_big(i8* %p) { entry: %add.ptr = getelementptr inbounds i8, i8* %p, i32 4096 %0 = load i8, i8* %add.ptr, align 1 %conv = sext i8 %0 to i32 ret i32 %conv } ; CHECK-LABEL: ldrsh_ri_t2_too_big ; CHECK-T1: movs r1, #1 ; CHECK-T1: lsls r1, r1, #12 ; CHECK-T2: mov.w r1, #4096 ; CHECK: ldrsh r0, [r0, r1] define i32 @ldrsh_ri_t2_too_big(i8* %p) { entry: %add.ptr = getelementptr inbounds i8, i8* %p, i32 4096 %0 = bitcast i8* %add.ptr to i16* %1 = load i16, i16* %0, align 2 %conv = sext i16 %1 to i32 ret i32 %conv } ; CHECK-LABEL: ldrb_ri_t2_too_big ; CHECK-T1: movs r1, #1 ; CHECK-T1: lsls r1, r1, #12 ; CHECK-T2: mov.w r1, #4096 ; CHECK: ldrb r0, [r0, r1] define i32 @ldrb_ri_t2_too_big(i8* %p) { entry: %add.ptr = getelementptr inbounds i8, i8* %p, i32 4096 %0 = load i8, i8* %add.ptr, align 1 %conv = zext i8 %0 to i32 ret i32 %conv } ; CHECK-LABEL: ldrh_ri_t2_too_big ; CHECK-T1: movs r1, #1 ; CHECK-T1: lsls r1, r1, #12 ; CHECK-T2: mov.w r1, #4096 ; CHECK: ldrh r0, [r0, r1] define i32 @ldrh_ri_t2_too_big(i8* %p) { entry: %add.ptr = getelementptr inbounds i8, i8* %p, i32 4096 %0 = bitcast i8* %add.ptr to i16* %1 = load i16, i16* %0, align 2 %conv = zext i16 %1 to i32 ret i32 %conv } ; CHECK-LABEL: ldr_ri_t2_too_big ; CHECK-T1: movs r1, #1 ; CHECK-T1: lsls r1, r1, #12 ; CHECK-T2: mov.w r1, #4096 ; CHECK: ldr r0, [r0, r1] define i32 @ldr_ri_t2_too_big(i8* %p) { entry: %add.ptr = getelementptr inbounds i8, i8* %p, i32 4096 %0 = bitcast i8* %add.ptr to i32* %1 = load i32, i32* %0, align 4 ret i32 %1 } ; CHECK-LABEL: strb_ri_t2_too_big ; CHECK-T1: movs r2, #1 ; CHECK-T1: lsls r2, r2, #12 ; CHECK-T2: mov.w r2, #4096 ; CHECK: strb r1, [r0, r2] define void @strb_ri_t2_too_big(i8* %p, i32 %x) { entry: %conv = trunc i32 %x to i8 %add.ptr = getelementptr inbounds i8, i8* %p, i32 4096 store i8 %conv, i8* %add.ptr, align 1 ret void } ; CHECK-LABEL: strh_ri_t2_too_big ; CHECK-T1: movs r2, #1 ; CHECK-T1: lsls r2, r2, #12 ; CHECK-T2: mov.w r2, #4096 ; CHECK: strh r1, [r0, r2] define void @strh_ri_t2_too_big(i8* %p, i32 %x) { entry: %conv = trunc i32 %x to i16 %add.ptr = getelementptr inbounds i8, i8* %p, i32 4096 %0 = bitcast i8* %add.ptr to i16* store i16 %conv, i16* %0, align 2 ret void } ; CHECK-LABEL: str_ri_t2_too_big ; CHECK-T1: movs r2, #1 ; CHECK-T1: lsls r2, r2, #12 ; CHECK-T2: mov.w r2, #4096 ; CHECK: str r1, [r0, r2] define void @str_ri_t2_too_big(i8* %p, i32 %x) { entry: %add.ptr = getelementptr inbounds i8, i8* %p, i32 4096 %0 = bitcast i8* %add.ptr to i32* store i32 %x, i32* %0, align 4 ret void } ; Negative offset define i32 @ldrsb_ri_negative(i8* %p) { ; CHECK-T1-LABEL: ldrsb_ri_negative: ; CHECK-T1: @ %bb.0: @ %entry ; CHECK-T1-NEXT: movs r1, #0 ; CHECK-T1-NEXT: mvns r1, r1 ; CHECK-T1-NEXT: ldrsb r0, [r0, r1] ; CHECK-T1-NEXT: bx lr ; ; CHECK-T2-LABEL: ldrsb_ri_negative: ; CHECK-T2: @ %bb.0: @ %entry ; CHECK-T2-NEXT: ldrsb r0, [r0, #-1] ; CHECK-T2-NEXT: bx lr entry: %add.ptr = getelementptr inbounds i8, i8* %p, i32 -1 %0 = load i8, i8* %add.ptr, align 1 %conv = sext i8 %0 to i32 ret i32 %conv } define i32 @ldrsh_ri_negative(i8* %p) { ; CHECK-T1-LABEL: ldrsh_ri_negative: ; CHECK-T1: @ %bb.0: @ %entry ; CHECK-T1-NEXT: movs r1, #0 ; CHECK-T1-NEXT: mvns r1, r1 ; CHECK-T1-NEXT: ldrsh r0, [r0, r1] ; CHECK-T1-NEXT: bx lr ; ; CHECK-T2-LABEL: ldrsh_ri_negative: ; CHECK-T2: @ %bb.0: @ %entry ; CHECK-T2-NEXT: ldrsh r0, [r0, #-1] ; CHECK-T2-NEXT: bx lr entry: %add.ptr = getelementptr inbounds i8, i8* %p, i32 -1 %0 = bitcast i8* %add.ptr to i16* %1 = load i16, i16* %0, align 2 %conv = sext i16 %1 to i32 ret i32 %conv } define i32 @ldrb_ri_negative(i8* %p) { ; CHECK-T1-LABEL: ldrb_ri_negative: ; CHECK-T1: @ %bb.0: @ %entry ; CHECK-T1-NEXT: subs r0, r0, #1 ; CHECK-T1-NEXT: ldrb r0, [r0] ; CHECK-T1-NEXT: bx lr ; ; CHECK-T2-LABEL: ldrb_ri_negative: ; CHECK-T2: @ %bb.0: @ %entry ; CHECK-T2-NEXT: ldrb r0, [r0, #-1] ; CHECK-T2-NEXT: bx lr entry: %add.ptr = getelementptr inbounds i8, i8* %p, i32 -1 %0 = load i8, i8* %add.ptr, align 1 %conv = zext i8 %0 to i32 ret i32 %conv } define i32 @ldrh_ri_negative(i8* %p) { ; CHECK-T1-LABEL: ldrh_ri_negative: ; CHECK-T1: @ %bb.0: @ %entry ; CHECK-T1-NEXT: subs r0, r0, #1 ; CHECK-T1-NEXT: ldrh r0, [r0] ; CHECK-T1-NEXT: bx lr ; ; CHECK-T2-LABEL: ldrh_ri_negative: ; CHECK-T2: @ %bb.0: @ %entry ; CHECK-T2-NEXT: ldrh r0, [r0, #-1] ; CHECK-T2-NEXT: bx lr entry: %add.ptr = getelementptr inbounds i8, i8* %p, i32 -1 %0 = bitcast i8* %add.ptr to i16* %1 = load i16, i16* %0, align 2 %conv = zext i16 %1 to i32 ret i32 %conv } define i32 @ldr_ri_negative(i8* %p) { ; CHECK-T1-LABEL: ldr_ri_negative: ; CHECK-T1: @ %bb.0: @ %entry ; CHECK-T1-NEXT: subs r0, r0, #1 ; CHECK-T1-NEXT: ldr r0, [r0] ; CHECK-T1-NEXT: bx lr ; ; CHECK-T2-LABEL: ldr_ri_negative: ; CHECK-T2: @ %bb.0: @ %entry ; CHECK-T2-NEXT: ldr r0, [r0, #-1] ; CHECK-T2-NEXT: bx lr entry: %add.ptr = getelementptr inbounds i8, i8* %p, i32 -1 %0 = bitcast i8* %add.ptr to i32* %1 = load i32, i32* %0, align 4 ret i32 %1 } define void @strb_ri_negative(i8* %p, i32 %x) { ; CHECK-T1-LABEL: strb_ri_negative: ; CHECK-T1: @ %bb.0: @ %entry ; CHECK-T1-NEXT: subs r0, r0, #1 ; CHECK-T1-NEXT: strb r1, [r0] ; CHECK-T1-NEXT: bx lr ; ; CHECK-T2-LABEL: strb_ri_negative: ; CHECK-T2: @ %bb.0: @ %entry ; CHECK-T2-NEXT: strb r1, [r0, #-1] ; CHECK-T2-NEXT: bx lr entry: %conv = trunc i32 %x to i8 %add.ptr = getelementptr inbounds i8, i8* %p, i32 -1 store i8 %conv, i8* %add.ptr, align 1 ret void } define void @strh_ri_negative(i8* %p, i32 %x) { ; CHECK-T1-LABEL: strh_ri_negative: ; CHECK-T1: @ %bb.0: @ %entry ; CHECK-T1-NEXT: subs r0, r0, #1 ; CHECK-T1-NEXT: strh r1, [r0] ; CHECK-T1-NEXT: bx lr ; ; CHECK-T2-LABEL: strh_ri_negative: ; CHECK-T2: @ %bb.0: @ %entry ; CHECK-T2-NEXT: strh r1, [r0, #-1] ; CHECK-T2-NEXT: bx lr entry: %conv = trunc i32 %x to i16 %add.ptr = getelementptr inbounds i8, i8* %p, i32 -1 %0 = bitcast i8* %add.ptr to i16* store i16 %conv, i16* %0, align 2 ret void } define void @str_ri_negative(i8* %p, i32 %x) { ; CHECK-T1-LABEL: str_ri_negative: ; CHECK-T1: @ %bb.0: @ %entry ; CHECK-T1-NEXT: subs r0, r0, #1 ; CHECK-T1-NEXT: str r1, [r0] ; CHECK-T1-NEXT: bx lr ; ; CHECK-T2-LABEL: str_ri_negative: ; CHECK-T2: @ %bb.0: @ %entry ; CHECK-T2-NEXT: str r1, [r0, #-1] ; CHECK-T2-NEXT: bx lr entry: %add.ptr = getelementptr inbounds i8, i8* %p, i32 -1 %0 = bitcast i8* %add.ptr to i32* store i32 %x, i32* %0, align 4 ret void } ; Negative 255 offset define i32 @ldrsb_ri_negative255(i8* %p) { ; CHECK-T1-LABEL: ldrsb_ri_negative255: ; CHECK-T1: @ %bb.0: @ %entry ; CHECK-T1-NEXT: movs r1, #254 ; CHECK-T1-NEXT: mvns r1, r1 ; CHECK-T1-NEXT: ldrsb r0, [r0, r1] ; CHECK-T1-NEXT: bx lr ; ; CHECK-T2-LABEL: ldrsb_ri_negative255: ; CHECK-T2: @ %bb.0: @ %entry ; CHECK-T2-NEXT: ldrsb r0, [r0, #-255] ; CHECK-T2-NEXT: bx lr entry: %add.ptr = getelementptr inbounds i8, i8* %p, i32 -255 %0 = load i8, i8* %add.ptr, align 1 %conv = sext i8 %0 to i32 ret i32 %conv } define i32 @ldrsh_ri_negative255(i8* %p) { ; CHECK-T1-LABEL: ldrsh_ri_negative255: ; CHECK-T1: @ %bb.0: @ %entry ; CHECK-T1-NEXT: movs r1, #254 ; CHECK-T1-NEXT: mvns r1, r1 ; CHECK-T1-NEXT: ldrsh r0, [r0, r1] ; CHECK-T1-NEXT: bx lr ; ; CHECK-T2-LABEL: ldrsh_ri_negative255: ; CHECK-T2: @ %bb.0: @ %entry ; CHECK-T2-NEXT: ldrsh r0, [r0, #-255] ; CHECK-T2-NEXT: bx lr entry: %add.ptr = getelementptr inbounds i8, i8* %p, i32 -255 %0 = bitcast i8* %add.ptr to i16* %1 = load i16, i16* %0, align 2 %conv = sext i16 %1 to i32 ret i32 %conv } define i32 @ldrb_ri_negative255(i8* %p) { ; CHECK-T1-LABEL: ldrb_ri_negative255: ; CHECK-T1: @ %bb.0: @ %entry ; CHECK-T1-NEXT: subs r0, #255 ; CHECK-T1-NEXT: ldrb r0, [r0] ; CHECK-T1-NEXT: bx lr ; ; CHECK-T2-LABEL: ldrb_ri_negative255: ; CHECK-T2: @ %bb.0: @ %entry ; CHECK-T2-NEXT: ldrb r0, [r0, #-255] ; CHECK-T2-NEXT: bx lr entry: %add.ptr = getelementptr inbounds i8, i8* %p, i32 -255 %0 = load i8, i8* %add.ptr, align 1 %conv = zext i8 %0 to i32 ret i32 %conv } define i32 @ldrh_ri_negative255(i8* %p) { ; CHECK-T1-LABEL: ldrh_ri_negative255: ; CHECK-T1: @ %bb.0: @ %entry ; CHECK-T1-NEXT: subs r0, #255 ; CHECK-T1-NEXT: ldrh r0, [r0] ; CHECK-T1-NEXT: bx lr ; ; CHECK-T2-LABEL: ldrh_ri_negative255: ; CHECK-T2: @ %bb.0: @ %entry ; CHECK-T2-NEXT: ldrh r0, [r0, #-255] ; CHECK-T2-NEXT: bx lr entry: %add.ptr = getelementptr inbounds i8, i8* %p, i32 -255 %0 = bitcast i8* %add.ptr to i16* %1 = load i16, i16* %0, align 2 %conv = zext i16 %1 to i32 ret i32 %conv } define i32 @ldr_ri_negative255(i8* %p) { ; CHECK-T1-LABEL: ldr_ri_negative255: ; CHECK-T1: @ %bb.0: @ %entry ; CHECK-T1-NEXT: subs r0, #255 ; CHECK-T1-NEXT: ldr r0, [r0] ; CHECK-T1-NEXT: bx lr ; ; CHECK-T2-LABEL: ldr_ri_negative255: ; CHECK-T2: @ %bb.0: @ %entry ; CHECK-T2-NEXT: ldr r0, [r0, #-255] ; CHECK-T2-NEXT: bx lr entry: %add.ptr = getelementptr inbounds i8, i8* %p, i32 -255 %0 = bitcast i8* %add.ptr to i32* %1 = load i32, i32* %0, align 4 ret i32 %1 } define void @strb_ri_negative255(i8* %p, i32 %x) { ; CHECK-T1-LABEL: strb_ri_negative255: ; CHECK-T1: @ %bb.0: @ %entry ; CHECK-T1-NEXT: subs r0, #255 ; CHECK-T1-NEXT: strb r1, [r0] ; CHECK-T1-NEXT: bx lr ; ; CHECK-T2-LABEL: strb_ri_negative255: ; CHECK-T2: @ %bb.0: @ %entry ; CHECK-T2-NEXT: strb r1, [r0, #-255] ; CHECK-T2-NEXT: bx lr entry: %conv = trunc i32 %x to i8 %add.ptr = getelementptr inbounds i8, i8* %p, i32 -255 store i8 %conv, i8* %add.ptr, align 1 ret void } define void @strh_ri_negative255(i8* %p, i32 %x) { ; CHECK-T1-LABEL: strh_ri_negative255: ; CHECK-T1: @ %bb.0: @ %entry ; CHECK-T1-NEXT: subs r0, #255 ; CHECK-T1-NEXT: strh r1, [r0] ; CHECK-T1-NEXT: bx lr ; ; CHECK-T2-LABEL: strh_ri_negative255: ; CHECK-T2: @ %bb.0: @ %entry ; CHECK-T2-NEXT: strh r1, [r0, #-255] ; CHECK-T2-NEXT: bx lr entry: %conv = trunc i32 %x to i16 %add.ptr = getelementptr inbounds i8, i8* %p, i32 -255 %0 = bitcast i8* %add.ptr to i16* store i16 %conv, i16* %0, align 2 ret void } define void @str_ri_negative255(i8* %p, i32 %x) { ; CHECK-T1-LABEL: str_ri_negative255: ; CHECK-T1: @ %bb.0: @ %entry ; CHECK-T1-NEXT: subs r0, #255 ; CHECK-T1-NEXT: str r1, [r0] ; CHECK-T1-NEXT: bx lr ; ; CHECK-T2-LABEL: str_ri_negative255: ; CHECK-T2: @ %bb.0: @ %entry ; CHECK-T2-NEXT: str r1, [r0, #-255] ; CHECK-T2-NEXT: bx lr entry: %add.ptr = getelementptr inbounds i8, i8* %p, i32 -255 %0 = bitcast i8* %add.ptr to i32* store i32 %x, i32* %0, align 4 ret void } ; Negative 256 offset define i32 @ldrsb_ri_negative256(i8* %p) { ; CHECK-T1-LABEL: ldrsb_ri_negative256: ; CHECK-T1: @ %bb.0: @ %entry ; CHECK-T1-NEXT: movs r1, #255 ; CHECK-T1-NEXT: mvns r1, r1 ; CHECK-T1-NEXT: ldrsb r0, [r0, r1] ; CHECK-T1-NEXT: bx lr ; ; CHECK-T2-LABEL: ldrsb_ri_negative256: ; CHECK-T2: @ %bb.0: @ %entry ; CHECK-T2-NEXT: mvn r1, #255 ; CHECK-T2-NEXT: ldrsb r0, [r0, r1] ; CHECK-T2-NEXT: bx lr entry: %add.ptr = getelementptr inbounds i8, i8* %p, i32 -256 %0 = load i8, i8* %add.ptr, align 1 %conv = sext i8 %0 to i32 ret i32 %conv } define i32 @ldrsh_ri_negative256(i8* %p) { ; CHECK-T1-LABEL: ldrsh_ri_negative256: ; CHECK-T1: @ %bb.0: @ %entry ; CHECK-T1-NEXT: movs r1, #255 ; CHECK-T1-NEXT: mvns r1, r1 ; CHECK-T1-NEXT: ldrsh r0, [r0, r1] ; CHECK-T1-NEXT: bx lr ; ; CHECK-T2-LABEL: ldrsh_ri_negative256: ; CHECK-T2: @ %bb.0: @ %entry ; CHECK-T2-NEXT: mvn r1, #255 ; CHECK-T2-NEXT: ldrsh r0, [r0, r1] ; CHECK-T2-NEXT: bx lr entry: %add.ptr = getelementptr inbounds i8, i8* %p, i32 -256 %0 = bitcast i8* %add.ptr to i16* %1 = load i16, i16* %0, align 2 %conv = sext i16 %1 to i32 ret i32 %conv } define i32 @ldrb_ri_negative256(i8* %p) { ; CHECK-T1-LABEL: ldrb_ri_negative256: ; CHECK-T1: @ %bb.0: @ %entry ; CHECK-T1-NEXT: movs r1, #255 ; CHECK-T1-NEXT: mvns r1, r1 ; CHECK-T1-NEXT: ldrb r0, [r0, r1] ; CHECK-T1-NEXT: bx lr ; ; CHECK-T2-LABEL: ldrb_ri_negative256: ; CHECK-T2: @ %bb.0: @ %entry ; CHECK-T2-NEXT: mvn r1, #255 ; CHECK-T2-NEXT: ldrb r0, [r0, r1] ; CHECK-T2-NEXT: bx lr entry: %add.ptr = getelementptr inbounds i8, i8* %p, i32 -256 %0 = load i8, i8* %add.ptr, align 1 %conv = zext i8 %0 to i32 ret i32 %conv } define i32 @ldrh_ri_negative256(i8* %p) { ; CHECK-T1-LABEL: ldrh_ri_negative256: ; CHECK-T1: @ %bb.0: @ %entry ; CHECK-T1-NEXT: movs r1, #255 ; CHECK-T1-NEXT: mvns r1, r1 ; CHECK-T1-NEXT: ldrh r0, [r0, r1] ; CHECK-T1-NEXT: bx lr ; ; CHECK-T2-LABEL: ldrh_ri_negative256: ; CHECK-T2: @ %bb.0: @ %entry ; CHECK-T2-NEXT: mvn r1, #255 ; CHECK-T2-NEXT: ldrh r0, [r0, r1] ; CHECK-T2-NEXT: bx lr entry: %add.ptr = getelementptr inbounds i8, i8* %p, i32 -256 %0 = bitcast i8* %add.ptr to i16* %1 = load i16, i16* %0, align 2 %conv = zext i16 %1 to i32 ret i32 %conv } define i32 @ldr_ri_negative256(i8* %p) { ; CHECK-T1-LABEL: ldr_ri_negative256: ; CHECK-T1: @ %bb.0: @ %entry ; CHECK-T1-NEXT: movs r1, #255 ; CHECK-T1-NEXT: mvns r1, r1 ; CHECK-T1-NEXT: ldr r0, [r0, r1] ; CHECK-T1-NEXT: bx lr ; ; CHECK-T2-LABEL: ldr_ri_negative256: ; CHECK-T2: @ %bb.0: @ %entry ; CHECK-T2-NEXT: mvn r1, #255 ; CHECK-T2-NEXT: ldr r0, [r0, r1] ; CHECK-T2-NEXT: bx lr entry: %add.ptr = getelementptr inbounds i8, i8* %p, i32 -256 %0 = bitcast i8* %add.ptr to i32* %1 = load i32, i32* %0, align 4 ret i32 %1 } define void @strb_ri_negative256(i8* %p, i32 %x) { ; CHECK-T1-LABEL: strb_ri_negative256: ; CHECK-T1: @ %bb.0: @ %entry ; CHECK-T1-NEXT: movs r2, #255 ; CHECK-T1-NEXT: mvns r2, r2 ; CHECK-T1-NEXT: strb r1, [r0, r2] ; CHECK-T1-NEXT: bx lr ; ; CHECK-T2-LABEL: strb_ri_negative256: ; CHECK-T2: @ %bb.0: @ %entry ; CHECK-T2-NEXT: mvn r2, #255 ; CHECK-T2-NEXT: strb r1, [r0, r2] ; CHECK-T2-NEXT: bx lr entry: %conv = trunc i32 %x to i8 %add.ptr = getelementptr inbounds i8, i8* %p, i32 -256 store i8 %conv, i8* %add.ptr, align 1 ret void } define void @strh_ri_negative256(i8* %p, i32 %x) { ; CHECK-T1-LABEL: strh_ri_negative256: ; CHECK-T1: @ %bb.0: @ %entry ; CHECK-T1-NEXT: movs r2, #255 ; CHECK-T1-NEXT: mvns r2, r2 ; CHECK-T1-NEXT: strh r1, [r0, r2] ; CHECK-T1-NEXT: bx lr ; ; CHECK-T2-LABEL: strh_ri_negative256: ; CHECK-T2: @ %bb.0: @ %entry ; CHECK-T2-NEXT: mvn r2, #255 ; CHECK-T2-NEXT: strh r1, [r0, r2] ; CHECK-T2-NEXT: bx lr entry: %conv = trunc i32 %x to i16 %add.ptr = getelementptr inbounds i8, i8* %p, i32 -256 %0 = bitcast i8* %add.ptr to i16* store i16 %conv, i16* %0, align 2 ret void } define void @str_ri_negative256(i8* %p, i32 %x) { ; CHECK-T1-LABEL: str_ri_negative256: ; CHECK-T1: @ %bb.0: @ %entry ; CHECK-T1-NEXT: movs r2, #255 ; CHECK-T1-NEXT: mvns r2, r2 ; CHECK-T1-NEXT: str r1, [r0, r2] ; CHECK-T1-NEXT: bx lr ; ; CHECK-T2-LABEL: str_ri_negative256: ; CHECK-T2: @ %bb.0: @ %entry ; CHECK-T2-NEXT: mvn r2, #255 ; CHECK-T2-NEXT: str r1, [r0, r2] ; CHECK-T2-NEXT: bx lr entry: %add.ptr = getelementptr inbounds i8, i8* %p, i32 -256 %0 = bitcast i8* %add.ptr to i32* store i32 %x, i32* %0, align 4 ret void }