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because it's more likely to keep debug line information in its original order. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108496 91177308-0d34-0410-b5e6-96231b3b80d8
73 lines
2.0 KiB
LLVM
73 lines
2.0 KiB
LLVM
; RUN: llc < %s -march=x86-64 -O0 | FileCheck %s --check-prefix=X64
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; RUN: llc < %s -march=x86 -O0 | FileCheck %s --check-prefix=X32
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; GEP indices are interpreted as signed integers, so they
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; should be sign-extended to 64 bits on 64-bit targets.
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; PR3181
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define i32 @test1(i32 %t3, i32* %t1) nounwind {
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%t9 = getelementptr i32* %t1, i32 %t3 ; <i32*> [#uses=1]
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%t15 = load i32* %t9 ; <i32> [#uses=1]
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ret i32 %t15
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; X32: test1:
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; X32: movl (%eax,%ecx,4), %eax
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; X32: ret
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; X64: test1:
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; X64: movslq %edi, %rax
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; X64: movl (%rsi,%rax,4), %eax
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; X64: ret
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}
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define i32 @test2(i64 %t3, i32* %t1) nounwind {
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%t9 = getelementptr i32* %t1, i64 %t3 ; <i32*> [#uses=1]
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%t15 = load i32* %t9 ; <i32> [#uses=1]
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ret i32 %t15
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; X32: test2:
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; X32: movl (%edx,%ecx,4), %eax
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; X32: ret
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; X64: test2:
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; X64: movl (%rsi,%rdi,4), %eax
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; X64: ret
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}
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; PR4984
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define i8 @test3(i8* %start) nounwind {
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entry:
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%A = getelementptr i8* %start, i64 -2 ; <i8*> [#uses=1]
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%B = load i8* %A, align 1 ; <i8> [#uses=1]
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ret i8 %B
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; X32: test3:
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; X32: movl 4(%esp), %eax
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; X32: movb -2(%eax), %al
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; X32: ret
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; X64: test3:
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; X64: movb -2(%rdi), %al
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; X64: ret
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}
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define double @test4(i64 %x, double* %p) nounwind {
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entry:
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%x.addr = alloca i64, align 8 ; <i64*> [#uses=2]
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%p.addr = alloca double*, align 8 ; <double**> [#uses=2]
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store i64 %x, i64* %x.addr
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store double* %p, double** %p.addr
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%tmp = load i64* %x.addr ; <i64> [#uses=1]
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%add = add nsw i64 %tmp, 16 ; <i64> [#uses=1]
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%tmp1 = load double** %p.addr ; <double*> [#uses=1]
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%arrayidx = getelementptr inbounds double* %tmp1, i64 %add ; <double*> [#uses=1]
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%tmp2 = load double* %arrayidx ; <double> [#uses=1]
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ret double %tmp2
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; X32: test4:
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; X32: 128(%e{{.*}},%e{{.*}},8)
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; X64: test4:
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; X64: 128(%r{{.*}},%r{{.*}},8)
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}
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