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-rw-r--r--llvm/test/CodeGen/X86/vzero-excess.ll66
1 files changed, 60 insertions, 6 deletions
diff --git a/llvm/test/CodeGen/X86/vzero-excess.ll b/llvm/test/CodeGen/X86/vzero-excess.ll
index 4bc110dc6de..7537b8eefb9 100644
--- a/llvm/test/CodeGen/X86/vzero-excess.ll
+++ b/llvm/test/CodeGen/X86/vzero-excess.ll
@@ -3,8 +3,36 @@
; FIXME: The vzeroupper added by the VZeroUpperInserter pass is unnecessary in these tests.
-define <8 x float> @zeroupper(<8 x float> %x) nounwind {
-; CHECK-LABEL: zeroupper:
+define <4 x float> @zeroupper_v4f32(<8 x float> *%x, <8 x float> %y) nounwind {
+; CHECK-LABEL: zeroupper_v4f32:
+; CHECK: # BB#0:
+; CHECK-NEXT: pushq %rbx
+; CHECK-NEXT: subq $48, %rsp
+; CHECK-NEXT: vmovups %ymm0, (%rsp) # 32-byte Spill
+; CHECK-NEXT: movq %rdi, %rbx
+; CHECK-NEXT: vzeroupper
+; CHECK-NEXT: vzeroupper
+; CHECK-NEXT: callq the_unknown
+; CHECK-NEXT: vmovups (%rsp), %ymm0 # 32-byte Reload
+; CHECK-NEXT: vaddps (%rbx), %ymm0, %ymm0
+; CHECK-NEXT: vextractf128 $1, %ymm0, %xmm1
+; CHECK-NEXT: vaddps %xmm1, %xmm0, %xmm0
+; CHECK-NEXT: addq $48, %rsp
+; CHECK-NEXT: popq %rbx
+; CHECK-NEXT: vzeroupper
+; CHECK-NEXT: retq
+ call void @llvm.x86.avx.vzeroupper()
+ call void @the_unknown()
+ %loadx = load <8 x float>, <8 x float> *%x, align 32
+ %sum = fadd <8 x float> %loadx, %y
+ %lo = shufflevector <8 x float> %sum, <8 x float> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
+ %hi = shufflevector <8 x float> %sum, <8 x float> undef, <4 x i32> <i32 4, i32 5, i32 6, i32 7>
+ %res = fadd <4 x float> %lo, %hi
+ ret <4 x float> %res
+}
+
+define <8 x float> @zeroupper_v8f32(<8 x float> %x) nounwind {
+; CHECK-LABEL: zeroupper_v8f32:
; CHECK: # BB#0:
; CHECK-NEXT: subq $56, %rsp
; CHECK-NEXT: vmovups %ymm0, (%rsp) # 32-byte Spill
@@ -14,14 +42,41 @@ define <8 x float> @zeroupper(<8 x float> %x) nounwind {
; CHECK-NEXT: vmovups (%rsp), %ymm0 # 32-byte Reload
; CHECK-NEXT: addq $56, %rsp
; CHECK-NEXT: retq
-;
call void @llvm.x86.avx.vzeroupper()
call void @the_unknown()
ret <8 x float> %x
}
-define <8 x float> @zeroall(<8 x float> %x) nounwind {
-; CHECK-LABEL: zeroall:
+define <4 x float> @zeroall_v4f32(<8 x float> *%x, <8 x float> %y) nounwind {
+; CHECK-LABEL: zeroall_v4f32:
+; CHECK: # BB#0:
+; CHECK-NEXT: pushq %rbx
+; CHECK-NEXT: subq $48, %rsp
+; CHECK-NEXT: vmovups %ymm0, (%rsp) # 32-byte Spill
+; CHECK-NEXT: movq %rdi, %rbx
+; CHECK-NEXT: vzeroall
+; CHECK-NEXT: vzeroupper
+; CHECK-NEXT: callq the_unknown
+; CHECK-NEXT: vmovups (%rsp), %ymm0 # 32-byte Reload
+; CHECK-NEXT: vaddps (%rbx), %ymm0, %ymm0
+; CHECK-NEXT: vextractf128 $1, %ymm0, %xmm1
+; CHECK-NEXT: vaddps %xmm1, %xmm0, %xmm0
+; CHECK-NEXT: addq $48, %rsp
+; CHECK-NEXT: popq %rbx
+; CHECK-NEXT: vzeroupper
+; CHECK-NEXT: retq
+ call void @llvm.x86.avx.vzeroall()
+ call void @the_unknown()
+ %loadx = load <8 x float>, <8 x float> *%x, align 32
+ %sum = fadd <8 x float> %loadx, %y
+ %lo = shufflevector <8 x float> %sum, <8 x float> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
+ %hi = shufflevector <8 x float> %sum, <8 x float> undef, <4 x i32> <i32 4, i32 5, i32 6, i32 7>
+ %res = fadd <4 x float> %lo, %hi
+ ret <4 x float> %res
+}
+
+define <8 x float> @zeroall_v8f32(<8 x float> %x) nounwind {
+; CHECK-LABEL: zeroall_v8f32:
; CHECK: # BB#0:
; CHECK-NEXT: subq $56, %rsp
; CHECK-NEXT: vmovups %ymm0, (%rsp) # 32-byte Spill
@@ -31,7 +86,6 @@ define <8 x float> @zeroall(<8 x float> %x) nounwind {
; CHECK-NEXT: vmovups (%rsp), %ymm0 # 32-byte Reload
; CHECK-NEXT: addq $56, %rsp
; CHECK-NEXT: retq
-;
call void @llvm.x86.avx.vzeroall()
call void @the_unknown()
ret <8 x float> %x
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