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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-10-11 20:43:09 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-10-11 20:43:09 +0000 |
| commit | ab1cd61fab1592c66f5957c6b342940c1382b6ec (patch) | |
| tree | cc4a0e44ee9a45fdafd3a0e60a317b1f010606c0 /test/CodeGen/PowerPC/2010-10-11-Fast-Varargs.ll | |
| parent | 8480a5d4505148aeedec17a21843ee72dc70051d (diff) | |
| download | external_llvm-ab1cd61fab1592c66f5957c6b342940c1382b6ec.zip external_llvm-ab1cd61fab1592c66f5957c6b342940c1382b6ec.tar.gz external_llvm-ab1cd61fab1592c66f5957c6b342940c1382b6ec.tar.bz2 | |
PowerPC varargs functions store live-in registers on the stack. Make sure we use
virtual registers for those stores since RegAllocFast requires that each live
physreg only be used once.
This fixes PR8357.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116222 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/PowerPC/2010-10-11-Fast-Varargs.ll')
| -rw-r--r-- | test/CodeGen/PowerPC/2010-10-11-Fast-Varargs.ll | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/2010-10-11-Fast-Varargs.ll b/test/CodeGen/PowerPC/2010-10-11-Fast-Varargs.ll new file mode 100644 index 0000000..da77b28 --- /dev/null +++ b/test/CodeGen/PowerPC/2010-10-11-Fast-Varargs.ll @@ -0,0 +1,16 @@ +; RUN: llc < %s -O0 +; PR8357 +target datalayout = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32" +target triple = "powerpc-unknown-freebsd9.0" + +; RegAllocFast requires that each physreg only be used once. The varargs +; lowering code needs to use virtual registers when storing live-in registers on +; the stack. + +define i32 @testing(i32 %x, float %a, ...) nounwind { + %1 = alloca i32, align 4 + %2 = alloca float, align 4 + store i32 %x, i32* %1, align 4 + store float %a, float* %2, align 4 + ret i32 0 +} |