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| author | Dan Gohman <gohman@apple.com> | 2010-09-17 20:24:24 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2010-09-17 20:24:24 +0000 |
| commit | d8c0a51362cfb7d08bec20e2341f8cc73561526a (patch) | |
| tree | 6a94731ff61fcdd207123dbba4b6b00056372595 /test | |
| parent | d4ef24344ad0466659860e9c57ac12c1e9c9bc35 (diff) | |
| download | llvm-d8c0a51362cfb7d08bec20e2341f8cc73561526a.tar.gz llvm-d8c0a51362cfb7d08bec20e2341f8cc73561526a.tar.bz2 llvm-d8c0a51362cfb7d08bec20e2341f8cc73561526a.tar.xz | |
Avoid emitting a PIC base register if no PIC addresses are needed.
This fixes rdar://8396318.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114201 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/X86/fast-isel-avoid-unnecessary-pic-base.ll | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/CodeGen/X86/fast-isel-avoid-unnecessary-pic-base.ll b/test/CodeGen/X86/fast-isel-avoid-unnecessary-pic-base.ll new file mode 100644 index 0000000000..9233d3f7c1 --- /dev/null +++ b/test/CodeGen/X86/fast-isel-avoid-unnecessary-pic-base.ll @@ -0,0 +1,23 @@ +; RUN: llc -O0 -relocation-model=pic < %s | not grep call +; rdar://8396318 + +; Don't emit a PIC base register if no addresses are needed. + +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32" +target triple = "i386-apple-darwin11.0.0" + +define i32 @foo(i32 %x, i32 %y, i32 %z) nounwind ssp { +entry: + %x.addr = alloca i32, align 4 + %y.addr = alloca i32, align 4 + %z.addr = alloca i32, align 4 + store i32 %x, i32* %x.addr, align 4 + store i32 %y, i32* %y.addr, align 4 + store i32 %z, i32* %z.addr, align 4 + %tmp = load i32* %x.addr, align 4 + %tmp1 = load i32* %y.addr, align 4 + %add = add nsw i32 %tmp, %tmp1 + %tmp2 = load i32* %z.addr, align 4 + %add3 = add nsw i32 %add, %tmp2 + ret i32 %add3 +} |