From 009b1c42aa6266385f2c37e227516b24077e6dd7 Mon Sep 17 00:00:00 2001 From: Ed Schouten Date: Tue, 2 Jun 2009 17:52:33 +0000 Subject: Import LLVM, at r72732. --- test/CodeGen/X86/stack-align.ll | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 test/CodeGen/X86/stack-align.ll (limited to 'test/CodeGen/X86/stack-align.ll') diff --git a/test/CodeGen/X86/stack-align.ll b/test/CodeGen/X86/stack-align.ll new file mode 100644 index 0000000000000..1e6c2b2af0600 --- /dev/null +++ b/test/CodeGen/X86/stack-align.ll @@ -0,0 +1,22 @@ +; RUN: llvm-as < %s | llc -relocation-model=static -mcpu=yonah | grep {andpd.*4(%esp), %xmm} + +; The double argument is at 4(esp) which is 16-byte aligned, allowing us to +; fold the load into the andpd. + +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" +target triple = "i686-apple-darwin8" +@G = external global double + +define void @test({ double, double }* byval %z, double* %P) { +entry: + %tmp = getelementptr { double, double }* %z, i32 0, i32 0 ; [#uses=1] + %tmp1 = load double* %tmp, align 8 ; [#uses=1] + %tmp2 = tail call double @fabs( double %tmp1 ) ; [#uses=1] + %tmp3 = load double* @G, align 16 ; [#uses=1] + %tmp4 = tail call double @fabs( double %tmp3 ) ; [#uses=1] + %tmp6 = add double %tmp4, %tmp2 ; [#uses=1] + store double %tmp6, double* %P, align 8 + ret void +} + +declare double @fabs(double) -- cgit v1.2.3