xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/win32-spill-xmm.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mcpu=generic -mtriple=i686-pc-windows-msvc -mattr=+sse < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; Check proper alignment of spilled vector
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: spill_ok
6*9880d681SAndroid Build Coastguard Worker; CHECK: subl    $32, %esp
7*9880d681SAndroid Build Coastguard Worker; CHECK: movaps  %xmm3, (%esp)
8*9880d681SAndroid Build Coastguard Worker; CHECK: movl    $0, 16(%esp)
9*9880d681SAndroid Build Coastguard Worker; CHECK: calll   _bar
10*9880d681SAndroid Build Coastguard Workerdefine void @spill_ok(i32, <16 x float> *) {
11*9880d681SAndroid Build Coastguard Workerentry:
12*9880d681SAndroid Build Coastguard Worker  %2 = alloca i32, i32 %0
13*9880d681SAndroid Build Coastguard Worker  %3 = load <16 x float>, <16 x float> * %1, align 64
14*9880d681SAndroid Build Coastguard Worker  tail call void @bar(<16 x float> %3, i32 0) nounwind
15*9880d681SAndroid Build Coastguard Worker  ret void
16*9880d681SAndroid Build Coastguard Worker}
17*9880d681SAndroid Build Coastguard Worker
18*9880d681SAndroid Build Coastguard Workerdeclare void @bar(<16 x float> %a, i32 %b)
19*9880d681SAndroid Build Coastguard Worker
20*9880d681SAndroid Build Coastguard Worker; Check that proper alignment of spilled vector does not affect vargs
21*9880d681SAndroid Build Coastguard Worker
22*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: vargs_not_affected
23*9880d681SAndroid Build Coastguard Worker; CHECK: leal    28(%ebp), %eax
24*9880d681SAndroid Build Coastguard Workerdefine i32 @vargs_not_affected(<4 x float> %v, i8* %f, ...) {
25*9880d681SAndroid Build Coastguard Workerentry:
26*9880d681SAndroid Build Coastguard Worker  %ap = alloca i8*, align 4
27*9880d681SAndroid Build Coastguard Worker  %0 = bitcast i8** %ap to i8*
28*9880d681SAndroid Build Coastguard Worker  call void @llvm.va_start(i8* %0)
29*9880d681SAndroid Build Coastguard Worker  %argp.cur = load i8*, i8** %ap, align 4
30*9880d681SAndroid Build Coastguard Worker  %argp.next = getelementptr inbounds i8, i8* %argp.cur, i32 4
31*9880d681SAndroid Build Coastguard Worker  store i8* %argp.next, i8** %ap, align 4
32*9880d681SAndroid Build Coastguard Worker  %1 = bitcast i8* %argp.cur to i32*
33*9880d681SAndroid Build Coastguard Worker  %2 = load i32, i32* %1, align 4
34*9880d681SAndroid Build Coastguard Worker  call void @llvm.va_end(i8* %0)
35*9880d681SAndroid Build Coastguard Worker  ret i32 %2
36*9880d681SAndroid Build Coastguard Worker}
37*9880d681SAndroid Build Coastguard Worker
38*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.va_start(i8*)
39*9880d681SAndroid Build Coastguard Worker
40*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.va_end(i8*)
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