diff options
Diffstat (limited to 'test/CodeGen/X86/2003-08-03-CallArgLiveRanges.ll')
-rw-r--r-- | test/CodeGen/X86/2003-08-03-CallArgLiveRanges.ll | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2003-08-03-CallArgLiveRanges.ll b/test/CodeGen/X86/2003-08-03-CallArgLiveRanges.ll new file mode 100644 index 0000000000..2e4cb1fe7e --- /dev/null +++ b/test/CodeGen/X86/2003-08-03-CallArgLiveRanges.ll @@ -0,0 +1,19 @@ +; REQUIRES: asserts +; The old instruction selector used to load all arguments to a call up in +; registers, then start pushing them all onto the stack. This is bad news as +; it makes a ton of annoying overlapping live ranges. This code should not +; cause spills! +; +; RUN: llc < %s -march=x86 -stats 2>&1 | not grep spilled + +target datalayout = "e-p:32:32" + +define i32 @test(i32, i32, i32, i32, i32, i32, i32, i32, i32, i32) { + ret i32 0 +} + +define i32 @main() { + %X = call i32 @test( i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10 ) ; <i32> [#uses=1] + ret i32 %X +} + |