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| author | Evan Cheng <evan.cheng@apple.com> | 2010-07-14 06:44:01 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2010-07-14 06:44:01 +0000 |
| commit | dedd974e7e47ba3091363f9b97e4881c6ec36edf (patch) | |
| tree | 28b84cd01d32ad26f3695c8071b988393ba72d56 /test | |
| parent | 7e3f0d26908b82bc6a3699251e0d38821610bca7 (diff) | |
| download | external_llvm-dedd974e7e47ba3091363f9b97e4881c6ec36edf.zip external_llvm-dedd974e7e47ba3091363f9b97e4881c6ec36edf.tar.gz external_llvm-dedd974e7e47ba3091363f9b97e4881c6ec36edf.tar.bz2 | |
Fix for PR7193 was overly conservative. The only case where sibcall callee
address cannot be allocated a register is in 32-bit mode where the first
three arguments are marked inreg. In that case EAX, EDX, and ECX will be
used for argument passing.
This fixes PR7610.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108327 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/X86/sibcall-4.ll | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/test/CodeGen/X86/sibcall-4.ll b/test/CodeGen/X86/sibcall-4.ll new file mode 100644 index 0000000..1499e66 --- /dev/null +++ b/test/CodeGen/X86/sibcall-4.ll @@ -0,0 +1,13 @@ +; RUN: llc < %s -mtriple=i386-pc-linux-gnu | FileCheck %s +; pr7610 + +define cc10 void @t(i32* %Base_Arg, i32* %Sp_Arg, i32* %Hp_Arg, i32 %R1_Arg) nounwind { +cm1: +; CHECK: t: +; CHECK: jmpl *%eax + %nm3 = getelementptr i32* %Sp_Arg, i32 1 + %nm9 = load i32* %Sp_Arg + %nma = inttoptr i32 %nm9 to void (i32*, i32*, i32*, i32)* + tail call cc10 void %nma(i32* %Base_Arg, i32* %nm3, i32* %Hp_Arg, i32 %R1_Arg) nounwind + ret void +} |