Mercurial > hg > Members > tobaru > cbc > CbC_llvm
view test/CodeGen/X86/compact-unwind.ll @ 33:e4204d083e25
LLVM 3.5
author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
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date | Thu, 12 Dec 2013 14:32:10 +0900 |
parents | 95c75e76d11b |
children | 60c9769439b8 |
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; RUN: llc < %s -disable-fp-elim -mtriple x86_64-apple-darwin11 -mcpu corei7 | FileCheck -check-prefix=ASM %s ; RUN: llc < %s -disable-fp-elim -mtriple x86_64-apple-darwin11 -mcpu corei7 -filetype=obj -o - \ ; RUN: | llvm-objdump -triple x86_64-apple-darwin11 -s - \ ; RUN: | FileCheck -check-prefix=CU %s ; RUN: llc < %s -disable-fp-elim -mtriple x86_64-apple-darwin11 -mcpu corei7 \ ; RUN: | llvm-mc -triple x86_64-apple-darwin11 -filetype=obj -o - \ ; RUN: | llvm-objdump -triple x86_64-apple-darwin11 -s - \ ; RUN: | FileCheck -check-prefix=FROM-ASM %s %ty = type { i8* } @gv = external global i32 ; This is aligning the stack with a push of a random register. ; ASM: pushq %rax ; Even though we can't encode %rax into the compact unwind, We still want to be ; able to generate a compact unwind encoding in this particular case. ; CU: Contents of section __compact_unwind: ; CU-NEXT: 0020 00000000 00000000 1e000000 01000101 ; CU-NEXT: 0030 00000000 00000000 00000000 00000000 ; FROM-ASM: Contents of section __compact_unwind: ; FROM-ASM-NEXT: 0020 00000000 00000000 1e000000 01000101 ; FROM-ASM-NEXT: 0030 00000000 00000000 00000000 00000000 define i8* @foo(i64 %size) { %addr = alloca i64, align 8 %tmp20 = load i32* @gv, align 4 %tmp21 = call i32 @bar() %tmp25 = load i64* %addr, align 8 %tmp26 = inttoptr i64 %tmp25 to %ty* %tmp29 = getelementptr inbounds %ty* %tmp26, i64 0, i32 0 %tmp34 = load i8** %tmp29, align 8 %tmp35 = getelementptr inbounds i8* %tmp34, i64 %size store i8* %tmp35, i8** %tmp29, align 8 ret i8* null } declare i32 @bar()