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45 lines
1.4 KiB
LLVM
45 lines
1.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | FileCheck %s
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define i32* @test1(i32* %X, i32* %dest) {
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; CHECK-LABEL: test1:
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; CHECK: @ %bb.0:
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; CHECK-NEXT: ldr r2, [r0, #16]!
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; CHECK-NEXT: str r2, [r1]
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; CHECK-NEXT: bx lr
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%Y = getelementptr i32, i32* %X, i32 4 ; <i32*> [#uses=2]
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%A = load i32, i32* %Y ; <i32> [#uses=1]
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store i32 %A, i32* %dest
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ret i32* %Y
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}
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define i32 @test2(i32 %a, i32 %b) {
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; CHECK-LABEL: test2:
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; CHECK: @ %bb.0:
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; CHECK-NEXT: ldr r2, [r0, #-64]!
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; CHECK-NEXT: subs r0, r0, r1
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; CHECK-NEXT: add r0, r2
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; CHECK-NEXT: bx lr
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%tmp1 = sub i32 %a, 64 ; <i32> [#uses=2]
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%tmp2 = inttoptr i32 %tmp1 to i32* ; <i32*> [#uses=1]
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%tmp3 = load i32, i32* %tmp2 ; <i32> [#uses=1]
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%tmp4 = sub i32 %tmp1, %b ; <i32> [#uses=1]
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%tmp5 = add i32 %tmp4, %tmp3 ; <i32> [#uses=1]
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ret i32 %tmp5
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}
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define i8* @test3(i8* %X, i32* %dest) {
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; CHECK-LABEL: test3:
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; CHECK: @ %bb.0:
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; CHECK-NEXT: ldrsb r2, [r0, #4]!
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; CHECK-NEXT: str r2, [r1]
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; CHECK-NEXT: bx lr
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%tmp1 = getelementptr i8, i8* %X, i32 4
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%tmp2 = load i8, i8* %tmp1
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%tmp3 = sext i8 %tmp2 to i32
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store i32 %tmp3, i32* %dest
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ret i8* %tmp1
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}
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