1 files changed, 13 insertions, 32 deletions
diff --git a/llvm/test/CodeGen/X86/ssub_sat.ll b/llvm/test/CodeGen/X86/ssub_sat.ll
index 62724e981f7..51ca6d8a794 100644
--- a/llvm/test/CodeGen/X86/ssub_sat.ll
+++ b/llvm/test/CodeGen/X86/ssub_sat.ll
@@ -12,24 +12,20 @@ declare <4 x i32> @llvm.ssub.sat.v4i32(<4 x i32>, <4 x i32>)
 define i32 @func(i32 %x, i32 %y) nounwind {
 ; X86-LABEL: func:
 ; X86:       # %bb.0:
-; X86-NEXT:    pushl %esi
 ; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
 ; X86-NEXT:    movl {{[0-9]+}}(%esp), %edx
 ; X86-NEXT:    xorl %ecx, %ecx
-; X86-NEXT:    movl %eax, %esi
-; X86-NEXT:    subl %edx, %esi
+; X86-NEXT:    cmpl %edx, %eax
 ; X86-NEXT:    setns %cl
 ; X86-NEXT:    addl $2147483647, %ecx # imm = 0x7FFFFFFF
 ; X86-NEXT:    subl %edx, %eax
 ; X86-NEXT:    cmovol %ecx, %eax
-; X86-NEXT:    popl %esi
 ; X86-NEXT:    retl
 ;
 ; X64-LABEL: func:
 ; X64:       # %bb.0:
 ; X64-NEXT:    xorl %eax, %eax
-; X64-NEXT:    movl %edi, %ecx
-; X64-NEXT:    subl %esi, %ecx
+; X64-NEXT:    cmpl %esi, %edi
 ; X64-NEXT:    setns %al
 ; X64-NEXT:    addl $2147483647, %eax # imm = 0x7FFFFFFF
 ; X64-NEXT:    subl %esi, %edi
@@ -79,8 +75,7 @@ define i64 @func2(i64 %x, i64 %y) nounwind {
 ; X64-LABEL: func2:
 ; X64:       # %bb.0:
 ; X64-NEXT:    xorl %ecx, %ecx
-; X64-NEXT:    movq %rdi, %rax
-; X64-NEXT:    subq %rsi, %rax
+; X64-NEXT:    cmpq %rsi, %rdi
 ; X64-NEXT:    setns %cl
 ; X64-NEXT:    movabsq $9223372036854775807, %rax # imm = 0x7FFFFFFFFFFFFFFF
 ; X64-NEXT:    addq %rcx, %rax
@@ -94,25 +89,21 @@ define i64 @func2(i64 %x, i64 %y) nounwind {
 define i16 @func16(i16 %x, i16 %y) nounwind {
 ; X86-LABEL: func16:
 ; X86:       # %bb.0:
-; X86-NEXT:    pushl %esi
 ; X86-NEXT:    movzwl {{[0-9]+}}(%esp), %eax
 ; X86-NEXT:    movzwl {{[0-9]+}}(%esp), %edx
 ; X86-NEXT:    xorl %ecx, %ecx
-; X86-NEXT:    movl %eax, %esi
-; X86-NEXT:    subw %dx, %si
+; X86-NEXT:    cmpw %dx, %ax
 ; X86-NEXT:    setns %cl
 ; X86-NEXT:    addl $32767, %ecx # imm = 0x7FFF
 ; X86-NEXT:    subw %dx, %ax
 ; X86-NEXT:    cmovol %ecx, %eax
 ; X86-NEXT:    # kill: def $ax killed $ax killed $eax
-; X86-NEXT:    popl %esi
 ; X86-NEXT:    retl
 ;
 ; X64-LABEL: func16:
 ; X64:       # %bb.0:
 ; X64-NEXT:    xorl %eax, %eax
-; X64-NEXT:    movl %edi, %ecx
-; X64-NEXT:    subw %si, %cx
+; X64-NEXT:    cmpw %si, %di
 ; X64-NEXT:    setns %al
 ; X64-NEXT:    addl $32767, %eax # imm = 0x7FFF
 ; X64-NEXT:    subw %si, %di
@@ -129,8 +120,7 @@ define i8 @func8(i8 %x, i8 %y) nounwind {
 ; X86-NEXT:    movb {{[0-9]+}}(%esp), %al
 ; X86-NEXT:    movb {{[0-9]+}}(%esp), %dl
 ; X86-NEXT:    xorl %ecx, %ecx
-; X86-NEXT:    movb %al, %ah
-; X86-NEXT:    subb %dl, %ah
+; X86-NEXT:    cmpb %dl, %al
 ; X86-NEXT:    setns %cl
 ; X86-NEXT:    addl $127, %ecx
 ; X86-NEXT:    subb %dl, %al
@@ -142,8 +132,7 @@ define i8 @func8(i8 %x, i8 %y) nounwind {
 ; X64-LABEL: func8:
 ; X64:       # %bb.0:
 ; X64-NEXT:    xorl %ecx, %ecx
-; X64-NEXT:    movl %edi, %eax
-; X64-NEXT:    subb %sil, %al
+; X64-NEXT:    cmpb %sil, %dil
 ; X64-NEXT:    setns %cl
 ; X64-NEXT:    addl $127, %ecx
 ; X64-NEXT:    subb %sil, %dil
@@ -163,8 +152,7 @@ define i4 @func3(i4 %x, i4 %y) nounwind {
 ; X86-NEXT:    shlb $4, %dl
 ; X86-NEXT:    shlb $4, %al
 ; X86-NEXT:    xorl %ecx, %ecx
-; X86-NEXT:    movb %al, %ah
-; X86-NEXT:    subb %dl, %ah
+; X86-NEXT:    cmpb %dl, %al
 ; X86-NEXT:    setns %cl
 ; X86-NEXT:    addl $127, %ecx
 ; X86-NEXT:    subb %dl, %al
@@ -179,8 +167,7 @@ define i4 @func3(i4 %x, i4 %y) nounwind {
 ; X64-NEXT:    shlb $4, %sil
 ; X64-NEXT:    shlb $4, %dil
 ; X64-NEXT:    xorl %ecx, %ecx
-; X64-NEXT:    movl %edi, %eax
-; X64-NEXT:    subb %sil, %al
+; X64-NEXT:    cmpb %sil, %dil
 ; X64-NEXT:    setns %cl
 ; X64-NEXT:    addl $127, %ecx
 ; X64-NEXT:    subb %sil, %dil
@@ -196,15 +183,13 @@ define i4 @func3(i4 %x, i4 %y) nounwind {
 define <4 x i32> @vec(<4 x i32> %x, <4 x i32> %y) nounwind {
 ; X86-LABEL: vec:
 ; X86:       # %bb.0:
-; X86-NEXT:    pushl %ebp
 ; X86-NEXT:    pushl %ebx
 ; X86-NEXT:    pushl %edi
 ; X86-NEXT:    pushl %esi
 ; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
 ; X86-NEXT:    movl {{[0-9]+}}(%esp), %edx
 ; X86-NEXT:    xorl %eax, %eax
-; X86-NEXT:    movl %ecx, %esi
-; X86-NEXT:    subl %edx, %esi
+; X86-NEXT:    cmpl %edx, %ecx
 ; X86-NEXT:    setns %al
 ; X86-NEXT:    addl $2147483647, %eax # imm = 0x7FFFFFFF
 ; X86-NEXT:    subl %edx, %ecx
@@ -212,8 +197,7 @@ define <4 x i32> @vec(<4 x i32> %x, <4 x i32> %y) nounwind {
 ; X86-NEXT:    cmovol %eax, %ecx
 ; X86-NEXT:    movl {{[0-9]+}}(%esp), %esi
 ; X86-NEXT:    xorl %eax, %eax
-; X86-NEXT:    movl %edx, %edi
-; X86-NEXT:    subl %esi, %edi
+; X86-NEXT:    cmpl %esi, %edx
 ; X86-NEXT:    setns %al
 ; X86-NEXT:    addl $2147483647, %eax # imm = 0x7FFFFFFF
 ; X86-NEXT:    subl %esi, %edx
@@ -221,8 +205,7 @@ define <4 x i32> @vec(<4 x i32> %x, <4 x i32> %y) nounwind {
 ; X86-NEXT:    cmovol %eax, %edx
 ; X86-NEXT:    movl {{[0-9]+}}(%esp), %edi
 ; X86-NEXT:    xorl %eax, %eax
-; X86-NEXT:    movl %esi, %ebx
-; X86-NEXT:    subl %edi, %ebx
+; X86-NEXT:    cmpl %edi, %esi
 ; X86-NEXT:    setns %al
 ; X86-NEXT:    addl $2147483647, %eax # imm = 0x7FFFFFFF
 ; X86-NEXT:    subl %edi, %esi
@@ -230,8 +213,7 @@ define <4 x i32> @vec(<4 x i32> %x, <4 x i32> %y) nounwind {
 ; X86-NEXT:    cmovol %eax, %esi
 ; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
 ; X86-NEXT:    xorl %ebx, %ebx
-; X86-NEXT:    movl %edi, %ebp
-; X86-NEXT:    subl %eax, %ebp
+; X86-NEXT:    cmpl %eax, %edi
 ; X86-NEXT:    setns %bl
 ; X86-NEXT:    addl $2147483647, %ebx # imm = 0x7FFFFFFF
 ; X86-NEXT:    subl %eax, %edi
@@ -244,7 +226,6 @@ define <4 x i32> @vec(<4 x i32> %x, <4 x i32> %y) nounwind {
 ; X86-NEXT:    popl %esi
 ; X86-NEXT:    popl %edi
 ; X86-NEXT:    popl %ebx
-; X86-NEXT:    popl %ebp
 ; X86-NEXT:    retl $4
 ;
 ; X64-LABEL: vec: