1 ; RUN: llc < %s -relocation-model=static -realign-stack=1 -mcpu=yonah | FileCheck %s
3 ; The double argument is at 4(esp) which is 16-byte aligned, allowing us to
4 ; fold the load into the andpd.
6 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"
7 target triple = "i686-apple-darwin8"
8 @G = external global double
10 define void @test({ double, double }* byval %z, double* %P) nounwind {
12 %tmp3 = load double* @G, align 16 ; <double> [#uses=1]
13 %tmp4 = tail call double @fabs( double %tmp3 ) ; <double> [#uses=1]
14 volatile store double %tmp4, double* %P
15 %tmp = getelementptr { double, double }* %z, i32 0, i32 0 ; <double*> [#uses=1]
16 %tmp1 = volatile load double* %tmp, align 8 ; <double> [#uses=1]
17 %tmp2 = tail call double @fabs( double %tmp1 ) ; <double> [#uses=1]
18 ; CHECK: andpd{{.*}}4(%esp), %xmm
19 %tmp6 = fadd double %tmp4, %tmp2 ; <double> [#uses=1]
20 volatile store double %tmp6, double* %P, align 8
24 define void @test2() alignstack(16) nounwind {
26 ; CHECK: andl{{.*}}$-16, %esp
30 ; Use a call to force a spill.
31 define <2 x double> @test3(<2 x double> %x, <2 x double> %y) alignstack(32) nounwind {
33 ; CHECK: andl{{.*}}$-32, %esp
35 %A = fmul <2 x double> %x, %y
39 declare double @fabs(double)
41 ; The pointer is already known aligned, so and x,-16 is eliminable.
42 define i32 @test4() nounwind {
44 %buffer = alloca [2048 x i8], align 16
45 %0 = ptrtoint [2048 x i8]* %buffer to i32
46 %and = and i32 %0, -16