39 lines
1.0 KiB
LLVM
39 lines
1.0 KiB
LLVM
; RUN: llc -mcpu=generic -mtriple=i686-pc-windows-msvc -mattr=+sse < %s | FileCheck %s
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; Check proper alignment of spilled vector
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; CHECK-LABEL: spill_ok
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; CHECK: subl $32, %esp
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; CHECK: movups %xmm3, (%esp)
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; CHECK: movl $0, 16(%esp)
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; CHECK: calll _bar
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define void @spill_ok(i32, ptr) {
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entry:
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%2 = alloca i32, i32 %0
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%3 = load <16 x float>, ptr %1, align 64
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tail call void @bar(<16 x float> %3, i32 0) nounwind
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ret void
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}
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declare void @bar(<16 x float> %a, i32 %b)
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; Check that proper alignment of spilled vector does not affect vargs
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; CHECK-LABEL: vargs_not_affected
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; CHECK: movl 28(%esp), %eax
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define i32 @vargs_not_affected(<4 x float> %v, ptr %f, ...) {
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entry:
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%ap = alloca ptr, align 4
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call void @llvm.va_start(ptr %ap)
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%argp.cur = load ptr, ptr %ap, align 4
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%argp.next = getelementptr inbounds i8, ptr %argp.cur, i32 4
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store ptr %argp.next, ptr %ap, align 4
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%0 = load i32, ptr %argp.cur, align 4
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call void @llvm.va_end(ptr %ap)
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ret i32 %0
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}
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declare void @llvm.va_start(ptr)
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declare void @llvm.va_end(ptr)
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