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42 lines
1.6 KiB
LLVM
42 lines
1.6 KiB
LLVM
; RUN: llc < %s -disable-fp-elim -mtriple x86_64-apple-darwin11 -mcpu corei7 | FileCheck -check-prefix=ASM %s
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; RUN: llc < %s -disable-fp-elim -mtriple x86_64-apple-darwin11 -mcpu corei7 -filetype=obj -o - \
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; RUN: | llvm-objdump -triple x86_64-apple-darwin11 -s - \
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; RUN: | FileCheck -check-prefix=CU %s
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; RUN: llc < %s -disable-fp-elim -mtriple x86_64-apple-darwin11 -mcpu corei7 \
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; RUN: | llvm-mc -triple x86_64-apple-darwin11 -filetype=obj -o - \
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; RUN: | llvm-objdump -triple x86_64-apple-darwin11 -s - \
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; RUN: | FileCheck -check-prefix=FROM-ASM %s
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%ty = type { i8* }
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@gv = external global i32
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; This is aligning the stack with a push of a random register.
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; ASM: pushq %rax
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; Even though we can't encode %rax into the compact unwind, We still want to be
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; able to generate a compact unwind encoding in this particular case.
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; CU: Contents of section __compact_unwind:
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; CU-NEXT: 0020 00000000 00000000 1e000000 01000101
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; CU-NEXT: 0030 00000000 00000000 00000000 00000000
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; FROM-ASM: Contents of section __compact_unwind:
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; FROM-ASM-NEXT: 0020 00000000 00000000 1e000000 01000101
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; FROM-ASM-NEXT: 0030 00000000 00000000 00000000 00000000
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define i8* @foo(i64 %size) {
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%addr = alloca i64, align 8
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%tmp20 = load i32* @gv, align 4
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%tmp21 = call i32 @bar()
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%tmp25 = load i64* %addr, align 8
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%tmp26 = inttoptr i64 %tmp25 to %ty*
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%tmp29 = getelementptr inbounds %ty* %tmp26, i64 0, i32 0
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%tmp34 = load i8** %tmp29, align 8
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%tmp35 = getelementptr inbounds i8* %tmp34, i64 %size
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store i8* %tmp35, i8** %tmp29, align 8
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ret i8* null
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}
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declare i32 @bar()
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