mirror of
				https://github.com/c64scene-ar/llvm-6502.git
				synced 2025-10-31 08:16:47 +00:00 
			
		
		
		
	This optimizes predicates for certain compares, such as fcmp oeq %x, %x to fcmp ord %x, %x. The latter one is more efficient to generate. The same optimization is applied to conditional branches. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211126 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			690 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			690 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; RUN: llc < %s                             -mtriple=x86_64-apple-darwin10 | FileCheck %s --check-prefix=SDAG
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| ; RUN: llc < %s -fast-isel -fast-isel-abort -mtriple=x86_64-apple-darwin10 | FileCheck %s --check-prefix=FAST
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| 
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| define zeroext i1 @fcmp_oeq(float %x, float %y) {
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| ; SDAG-LABEL: fcmp_oeq
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| ; SDAG:       cmpeqss  %xmm1, %xmm0
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| ; SDAG-NEXT:  movd     %xmm0, %eax
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| ; SDAG-NEXT:  andl     $1, %eax
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| ; FAST-LABEL: fcmp_oeq
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| ; FAST:       ucomiss  %xmm1, %xmm0
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| ; FAST-NEXT:  sete     %al
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| ; FAST-NEXT:  setnp    %cl
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| ; FAST-NEXT:  andb     %al, %cl
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|   %1 = fcmp oeq float %x, %y
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @fcmp_ogt(float %x, float %y) {
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| ; SDAG-LABEL: fcmp_ogt
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| ; SDAG:       ucomiss  %xmm1, %xmm0
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| ; SDAG-NEXT:  seta     %al
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| ; FAST:       ucomiss  %xmm1, %xmm0
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| ; FAST-NEXT:  seta     %al
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|   %1 = fcmp ogt float %x, %y
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @fcmp_oge(float %x, float %y) {
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| ; SDAG-LABEL: fcmp_oge
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| ; SDAG:       ucomiss  %xmm1, %xmm0
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| ; SDAG-NEXT:  setae    %al
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| ; FAST-LABEL: fcmp_oge
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| ; FAST:       ucomiss  %xmm1, %xmm0
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| ; FAST-NEXT:  setae    %al
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|   %1 = fcmp oge float %x, %y
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @fcmp_olt(float %x, float %y) {
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| ; SDAG-LABEL: fcmp_olt
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| ; SDAG:       ucomiss  %xmm0, %xmm1
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| ; SDAG-NEXT:  seta     %al
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| ; FAST-LABEL: fcmp_olt
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| ; FAST:       ucomiss  %xmm0, %xmm1
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| ; FAST-NEXT:  seta     %al
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|   %1 = fcmp olt float %x, %y
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @fcmp_ole(float %x, float %y) {
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| ; SDAG-LABEL: fcmp_ole
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| ; SDAG:       ucomiss  %xmm0, %xmm1
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| ; SDAG-NEXT:  setae    %al
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| ; FAST-LABEL: fcmp_ole
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| ; FAST:       ucomiss  %xmm0, %xmm1
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| ; FAST-NEXT:  setae    %al
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|   %1 = fcmp ole float %x, %y
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @fcmp_one(float %x, float %y) {
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| ; SDAG-LABEL: fcmp_one
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| ; SDAG:       ucomiss  %xmm1, %xmm0
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| ; SDAG-NEXT:  setne    %al
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| ; FAST-LABEL: fcmp_one
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| ; FAST:       ucomiss  %xmm1, %xmm0
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| ; FAST-NEXT:  setne    %al
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|   %1 = fcmp one float %x, %y
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @fcmp_ord(float %x, float %y) {
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| ; SDAG-LABEL: fcmp_ord
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| ; SDAG:       ucomiss  %xmm1, %xmm0
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| ; SDAG-NEXT:  setnp    %al
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| ; FAST-LABEL: fcmp_ord
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| ; FAST:       ucomiss  %xmm1, %xmm0
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| ; FAST-NEXT:  setnp    %al
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|   %1 = fcmp ord float %x, %y
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @fcmp_uno(float %x, float %y) {
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| ; SDAG-LABEL: fcmp_uno
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| ; SDAG:       ucomiss  %xmm1, %xmm0
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| ; SDAG-NEXT:  setp     %al
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| ; FAST-LABEL: fcmp_uno
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| ; FAST:       ucomiss  %xmm1, %xmm0
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| ; FAST-NEXT:  setp     %al
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|   %1 = fcmp uno float %x, %y
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @fcmp_ueq(float %x, float %y) {
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| ; SDAG-LABEL: fcmp_ueq
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| ; SDAG:       ucomiss  %xmm1, %xmm0
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| ; SDAG-NEXT:  sete     %al
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| ; FAST-LABEL: fcmp_ueq
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| ; FAST:       ucomiss  %xmm1, %xmm0
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| ; FAST-NEXT:  sete     %al
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|   %1 = fcmp ueq float %x, %y
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @fcmp_ugt(float %x, float %y) {
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| ; SDAG-LABEL: fcmp_ugt
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| ; SDAG:       ucomiss  %xmm0, %xmm1
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| ; SDAG-NEXT:  setb     %al
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| ; FAST-LABEL: fcmp_ugt
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| ; FAST:       ucomiss  %xmm0, %xmm1
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| ; FAST-NEXT:  setb     %al
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|   %1 = fcmp ugt float %x, %y
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @fcmp_uge(float %x, float %y) {
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| ; SDAG-LABEL: fcmp_uge
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| ; SDAG:       ucomiss  %xmm0, %xmm1
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| ; SDAG-NEXT:  setbe    %al
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| ; FAST-LABEL: fcmp_uge
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| ; FAST:       ucomiss  %xmm0, %xmm1
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| ; FAST-NEXT:  setbe    %al
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|   %1 = fcmp uge float %x, %y
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @fcmp_ult(float %x, float %y) {
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| ; SDAG-LABEL: fcmp_ult
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| ; SDAG:       ucomiss  %xmm1, %xmm0
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| ; SDAG-NEXT:  setb     %al
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| ; FAST-LABEL: fcmp_ult
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| ; FAST:       ucomiss  %xmm1, %xmm0
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| ; FAST-NEXT:  setb     %al
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|   %1 = fcmp ult float %x, %y
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @fcmp_ule(float %x, float %y) {
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| ; SDAG-LABEL: fcmp_ule
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| ; SDAG:       ucomiss  %xmm1, %xmm0
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| ; SDAG-NEXT:  setbe    %al
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| ; FAST-LABEL: fcmp_ule
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| ; FAST:       ucomiss  %xmm1, %xmm0
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| ; FAST-NEXT:  setbe    %al
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|   %1 = fcmp ule float %x, %y
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @fcmp_une(float %x, float %y) {
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| ; SDAG-LABEL: fcmp_une
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| ; SDAG:       cmpneqss %xmm1, %xmm0
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| ; SDAG-NEXT:  movd     %xmm0, %eax
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| ; SDAG-NEXT:  andl     $1, %eax
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| ; FAST-LABEL: fcmp_une
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| ; FAST:       ucomiss  %xmm1, %xmm0
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| ; FAST-NEXT:  setne    %al
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| ; FAST-NEXT:  setp     %cl
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| ; FAST-NEXT:  orb      %al, %cl
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|   %1 = fcmp une float %x, %y
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @icmp_eq(i32 %x, i32 %y) {
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| ; SDAG-LABEL: icmp_eq
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| ; SDAG:       cmpl     %esi, %edi
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| ; SDAG-NEXT:  sete     %al
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| ; FAST-LABEL: icmp_eq
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| ; FAST:       cmpl     %esi, %edi
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| ; FAST-NEXT:  sete     %al
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|   %1 = icmp eq i32 %x, %y
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @icmp_ne(i32 %x, i32 %y) {
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| ; SDAG-LABEL: icmp_ne
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| ; SDAG:       cmpl     %esi, %edi
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| ; SDAG-NEXT:  setne    %al
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| ; FAST-LABEL: icmp_ne
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| ; FAST:       cmpl     %esi, %edi
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| ; FAST-NEXT:  setne    %al
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|   %1 = icmp ne i32 %x, %y
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @icmp_ugt(i32 %x, i32 %y) {
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| ; SDAG-LABEL: icmp_ugt
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| ; SDAG:       cmpl     %edi, %esi
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| ; SDAG-NEXT:  setb     %al
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| ; FAST-LABEL: icmp_ugt
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| ; FAST:       cmpl     %esi, %edi
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| ; FAST-NEXT:  seta     %al
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|   %1 = icmp ugt i32 %x, %y
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @icmp_uge(i32 %x, i32 %y) {
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| ; SDAG-LABEL: icmp_uge
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| ; SDAG:       cmpl     %esi, %edi
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| ; SDAG-NEXT:  setae    %al
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| ; FAST-LABEL: icmp_uge
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| ; FAST:       cmpl     %esi, %edi
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| ; FAST-NEXT:  setae    %al
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|   %1 = icmp uge i32 %x, %y
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @icmp_ult(i32 %x, i32 %y) {
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| ; SDAG-LABEL: icmp_ult
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| ; SDAG:       cmpl     %esi, %edi
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| ; SDAG-NEXT:  setb     %al
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| ; FAST-LABEL: icmp_ult
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| ; FAST:       cmpl     %esi, %edi
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| ; FAST-NEXT:  setb     %al
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|   %1 = icmp ult i32 %x, %y
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @icmp_ule(i32 %x, i32 %y) {
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| ; SDAG-LABEL: icmp_ule
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| ; SDAG:       cmpl     %esi, %edi
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| ; SDAG-NEXT:  setbe    %al
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| ; FAST-LABEL: icmp_ule
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| ; FAST:       cmpl     %esi, %edi
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| ; FAST-NEXT:  setbe    %al
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|   %1 = icmp ule i32 %x, %y
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @icmp_sgt(i32 %x, i32 %y) {
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| ; SDAG-LABEL: icmp_sgt
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| ; SDAG:       cmpl     %esi, %edi
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| ; SDAG-NEXT:  setg     %al
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| ; FAST-LABEL: icmp_sgt
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| ; FAST:       cmpl     %esi, %edi
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| ; FAST-NEXT:  setg     %al
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|   %1 = icmp sgt i32 %x, %y
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @icmp_sge(i32 %x, i32 %y) {
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| ; SDAG-LABEL: icmp_sge
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| ; SDAG:       cmpl     %esi, %edi
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| ; SDAG-NEXT:  setge    %al
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| ; FAST-LABEL: icmp_sge
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| ; FAST:       cmpl     %esi, %edi
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| ; FAST-NEXT:  setge    %al
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|   %1 = icmp sge i32 %x, %y
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @icmp_slt(i32 %x, i32 %y) {
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| ; SDAG-LABEL: icmp_slt
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| ; SDAG:       cmpl     %esi, %edi
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| ; SDAG-NEXT:  setl     %al
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| ; FAST-LABEL: icmp_slt
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| ; FAST:       cmpl     %esi, %edi
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| ; FAST-NEXT:  setl     %al
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|   %1 = icmp slt i32 %x, %y
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @icmp_sle(i32 %x, i32 %y) {
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| ; SDAG-LABEL: icmp_sle
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| ; SDAG:       cmpl     %esi, %edi
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| ; SDAG-NEXT:  setle    %al
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| ; FAST-LABEL: icmp_sle
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| ; FAST:       cmpl     %esi, %edi
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| ; FAST-NEXT:  setle    %al
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|   %1 = icmp sle i32 %x, %y
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|   ret i1 %1
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| }
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| 
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| ; Test cmp folding and condition optimization.
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| define zeroext i1 @fcmp_oeq2(float %x) {
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| ; SDAG-LABEL: fcmp_oeq2
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| ; SDAG:       ucomiss  %xmm0, %xmm0
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| ; SDAG-NEXT:  setnp    %al
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| ; FAST-LABEL: fcmp_oeq2
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| ; FAST:       ucomiss  %xmm0, %xmm0
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| ; FAST-NEXT:  setnp    %al
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|   %1 = fcmp oeq float %x, %x
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @fcmp_oeq3(float %x) {
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| ; SDAG-LABEL: fcmp_oeq3
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| ; SDAG:       xorps    %xmm1, %xmm1
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| ; SDAG-NEXT:  cmpeqss  %xmm1, %xmm0
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| ; SDAG-NEXT:  movd     %xmm0, %eax
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| ; SDAG-NEXT:  andl     $1, %eax
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| ; FAST-LABEL: fcmp_oeq3
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| ; FAST:       xorps    %xmm1, %xmm1
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| ; FAST-NEXT:  ucomiss  %xmm1, %xmm0
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| ; FAST-NEXT:  sete     %al
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| ; FAST-NEXT:  setnp    %cl
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| ; FAST-NEXT:  andb     %al, %cl
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|   %1 = fcmp oeq float %x, 0.000000e+00
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @fcmp_ogt2(float %x) {
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| ; SDAG-LABEL: fcmp_ogt2
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| ; SDAG:       xorl     %eax, %eax
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| ; FAST-LABEL: fcmp_ogt2
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| ; FAST:       xorl     %eax, %eax
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|   %1 = fcmp ogt float %x, %x
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @fcmp_ogt3(float %x) {
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| ; SDAG-LABEL: fcmp_ogt3
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| ; SDAG:       xorps    %xmm1, %xmm1
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| ; SDAG-NEXT:  ucomiss  %xmm1, %xmm0
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| ; SDAG-NEXT:  seta     %al
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| ; FAST-LABEL: fcmp_ogt3
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| ; FAST:       xorps    %xmm1, %xmm1
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| ; FAST-NEXT:  ucomiss  %xmm1, %xmm0
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| ; FAST-NEXT:  seta     %al
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|   %1 = fcmp ogt float %x, 0.000000e+00
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @fcmp_oge2(float %x) {
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| ; SDAG-LABEL: fcmp_oge2
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| ; SDAG:       ucomiss  %xmm0, %xmm0
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| ; SDAG-NEXT:  setnp    %al
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| ; FAST-LABEL: fcmp_oge2
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| ; FAST:       ucomiss  %xmm0, %xmm0
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| ; FAST-NEXT:  setnp    %al
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|   %1 = fcmp oge float %x, %x
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @fcmp_oge3(float %x) {
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| ; SDAG-LABEL: fcmp_oge3
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| ; SDAG:       xorps    %xmm1, %xmm1
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| ; SDAG-NEXT:  ucomiss  %xmm1, %xmm0
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| ; SDAG-NEXT:  setae    %al
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| ; FAST-LABEL: fcmp_oge3
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| ; FAST:       xorps    %xmm1, %xmm1
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| ; FAST-NEXT:  ucomiss  %xmm1, %xmm0
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| ; FAST-NEXT:  setae    %al
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|   %1 = fcmp oge float %x, 0.000000e+00
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @fcmp_olt2(float %x) {
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| ; SDAG-LABEL: fcmp_olt2
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| ; SDAG:       xorl     %eax, %eax
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| ; FAST-LABEL: fcmp_olt2
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| ; FAST:       xorl     %eax, %eax
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|   %1 = fcmp olt float %x, %x
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @fcmp_olt3(float %x) {
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| ; SDAG-LABEL: fcmp_olt3
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| ; SDAG:       xorps    %xmm1, %xmm1
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| ; SDAG-NEXT:  ucomiss  %xmm0, %xmm1
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| ; SDAG-NEXT:  seta     %al
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| ; FAST-LABEL: fcmp_olt3
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| ; FAST:       xorps    %xmm1, %xmm1
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| ; FAST-NEXT:  ucomiss  %xmm0, %xmm1
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| ; FAST-NEXT:  seta     %al
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|   %1 = fcmp olt float %x, 0.000000e+00
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @fcmp_ole2(float %x) {
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| ; SDAG-LABEL: fcmp_ole2
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| ; SDAG:       ucomiss  %xmm0, %xmm0
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| ; SDAG-NEXT:  setnp    %al
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| ; FAST-LABEL: fcmp_ole2
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| ; FAST:       ucomiss  %xmm0, %xmm0
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| ; FAST-NEXT:  setnp    %al
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|   %1 = fcmp ole float %x, %x
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @fcmp_ole3(float %x) {
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| ; SDAG-LABEL: fcmp_ole3
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| ; SDAG:       xorps    %xmm1, %xmm1
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| ; SDAG-NEXT:  ucomiss  %xmm0, %xmm1
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| ; SDAG-NEXT:  setae    %al
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| ; FAST-LABEL: fcmp_ole3
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| ; FAST:       xorps    %xmm1, %xmm1
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| ; FAST-NEXT:  ucomiss  %xmm0, %xmm1
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| ; FAST-NEXT:  setae    %al
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|   %1 = fcmp ole float %x, 0.000000e+00
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @fcmp_one2(float %x) {
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| ; SDAG-LABEL: fcmp_one2
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| ; SDAG:       xorl     %eax, %eax
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| ; FAST-LABEL: fcmp_one2
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| ; FAST:       xorl     %eax, %eax
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|   %1 = fcmp one float %x, %x
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @fcmp_one3(float %x) {
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| ; SDAG-LABEL: fcmp_one3
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| ; SDAG:       xorps    %xmm1, %xmm1
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| ; SDAG-NEXT:  ucomiss  %xmm1, %xmm0
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| ; SDAG-NEXT:  setne    %al
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| ; FAST-LABEL: fcmp_one3
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| ; FAST:       xorps    %xmm1, %xmm1
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| ; FAST-NEXT:  ucomiss  %xmm1, %xmm0
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| ; FAST-NEXT:  setne    %al
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|   %1 = fcmp one float %x, 0.000000e+00
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @fcmp_ord2(float %x) {
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| ; SDAG-LABEL: fcmp_ord2
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| ; SDAG:       ucomiss  %xmm0, %xmm0
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| ; SDAG-NEXT:  setnp    %al
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| ; FAST-LABEL: fcmp_ord2
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| ; FAST:       ucomiss  %xmm0, %xmm0
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| ; FAST-NEXT:  setnp    %al
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|   %1 = fcmp ord float %x, %x
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @fcmp_ord3(float %x) {
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| ; SDAG-LABEL: fcmp_ord3
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| ; SDAG:       ucomiss  %xmm0, %xmm0
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| ; SDAG-NEXT:  setnp    %al
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| ; FAST-LABEL: fcmp_ord3
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| ; FAST:       ucomiss  %xmm0, %xmm0
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| ; FAST-NEXT:  setnp    %al
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|   %1 = fcmp ord float %x, 0.000000e+00
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|   ret i1 %1
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| }
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| 
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| define zeroext i1 @fcmp_uno2(float %x) {
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| ; SDAG-LABEL: fcmp_uno2
 | |
| ; SDAG:       ucomiss  %xmm0, %xmm0
 | |
| ; SDAG-NEXT:  setp     %al
 | |
| ; FAST-LABEL: fcmp_uno2
 | |
| ; FAST:       ucomiss  %xmm0, %xmm0
 | |
| ; FAST-NEXT:  setp     %al
 | |
|   %1 = fcmp uno float %x, %x
 | |
|   ret i1 %1
 | |
| }
 | |
| 
 | |
| define zeroext i1 @fcmp_uno3(float %x) {
 | |
| ; SDAG-LABEL: fcmp_uno3
 | |
| ; SDAG:       ucomiss  %xmm0, %xmm0
 | |
| ; SDAG-NEXT:  setp     %al
 | |
| ; FAST-LABEL: fcmp_uno3
 | |
| ; FAST:       ucomiss  %xmm0, %xmm0
 | |
| ; FAST-NEXT:  setp     %al
 | |
|   %1 = fcmp uno float %x, 0.000000e+00
 | |
|   ret i1 %1
 | |
| }
 | |
| 
 | |
| define zeroext i1 @fcmp_ueq2(float %x) {
 | |
| ; SDAG-LABEL: fcmp_ueq2
 | |
| ; SDAG:       movb     $1, %al
 | |
| ; FAST-LABEL: fcmp_ueq2
 | |
| ; FAST:       movb     $1, %al
 | |
|   %1 = fcmp ueq float %x, %x
 | |
|   ret i1 %1
 | |
| }
 | |
| 
 | |
| define zeroext i1 @fcmp_ueq3(float %x) {
 | |
| ; SDAG-LABEL: fcmp_ueq3
 | |
| ; SDAG:       xorps    %xmm1, %xmm1
 | |
| ; SDAG-NEXT:  ucomiss  %xmm1, %xmm0
 | |
| ; SDAG-NEXT:  sete     %al
 | |
| ; FAST-LABEL: fcmp_ueq3
 | |
| ; FAST:       xorps    %xmm1, %xmm1
 | |
| ; FAST-NEXT:  ucomiss  %xmm1, %xmm0
 | |
| ; FAST-NEXT:  sete     %al
 | |
|   %1 = fcmp ueq float %x, 0.000000e+00
 | |
|   ret i1 %1
 | |
| }
 | |
| 
 | |
| define zeroext i1 @fcmp_ugt2(float %x) {
 | |
| ; SDAG-LABEL: fcmp_ugt2
 | |
| ; SDAG:       ucomiss  %xmm0, %xmm0
 | |
| ; SDAG-NEXT:  setp     %al
 | |
| ; FAST-LABEL: fcmp_ugt2
 | |
| ; FAST:       ucomiss  %xmm0, %xmm0
 | |
| ; FAST-NEXT:  setp     %al
 | |
|   %1 = fcmp ugt float %x, %x
 | |
|   ret i1 %1
 | |
| }
 | |
| 
 | |
| define zeroext i1 @fcmp_ugt3(float %x) {
 | |
| ; SDAG-LABEL: fcmp_ugt3
 | |
| ; SDAG:       xorps    %xmm1, %xmm1
 | |
| ; SDAG-NEXT:  ucomiss  %xmm0, %xmm1
 | |
| ; SDAG-NEXT:  setb     %al
 | |
| ; FAST-LABEL: fcmp_ugt3
 | |
| ; FAST:       xorps    %xmm1, %xmm1
 | |
| ; FAST-NEXT:  ucomiss  %xmm0, %xmm1
 | |
| ; FAST-NEXT:  setb     %al
 | |
|   %1 = fcmp ugt float %x, 0.000000e+00
 | |
|   ret i1 %1
 | |
| }
 | |
| 
 | |
| define zeroext i1 @fcmp_uge2(float %x) {
 | |
| ; SDAG-LABEL: fcmp_uge2
 | |
| ; SDAG:       movb     $1, %al
 | |
| ; FAST-LABEL: fcmp_uge2
 | |
| ; FAST:       movb     $1, %al
 | |
|   %1 = fcmp uge float %x, %x
 | |
|   ret i1 %1
 | |
| }
 | |
| 
 | |
| define zeroext i1 @fcmp_uge3(float %x) {
 | |
| ; SDAG-LABEL: fcmp_uge3
 | |
| ; SDAG:       xorps    %xmm1, %xmm1
 | |
| ; SDAG-NEXT:  ucomiss  %xmm0, %xmm1
 | |
| ; SDAG-NEXT:  setbe    %al
 | |
| ; FAST-LABEL: fcmp_uge3
 | |
| ; FAST:       xorps    %xmm1, %xmm1
 | |
| ; FAST-NEXT:  ucomiss  %xmm0, %xmm1
 | |
| ; FAST-NEXT:  setbe    %al
 | |
|   %1 = fcmp uge float %x, 0.000000e+00
 | |
|   ret i1 %1
 | |
| }
 | |
| 
 | |
| define zeroext i1 @fcmp_ult2(float %x) {
 | |
| ; SDAG-LABEL: fcmp_ult2
 | |
| ; SDAG:       ucomiss  %xmm0, %xmm0
 | |
| ; SDAG-NEXT:  setp     %al
 | |
| ; FAST-LABEL: fcmp_ult2
 | |
| ; FAST:       ucomiss  %xmm0, %xmm0
 | |
| ; FAST-NEXT:  setp     %al
 | |
|   %1 = fcmp ult float %x, %x
 | |
|   ret i1 %1
 | |
| }
 | |
| 
 | |
| define zeroext i1 @fcmp_ult3(float %x) {
 | |
| ; SDAG-LABEL: fcmp_ult3
 | |
| ; SDAG:       xorps    %xmm1, %xmm1
 | |
| ; SDAG-NEXT:  ucomiss  %xmm1, %xmm0
 | |
| ; SDAG-NEXT:  setb     %al
 | |
| ; FAST-LABEL: fcmp_ult3
 | |
| ; FAST:       xorps    %xmm1, %xmm1
 | |
| ; FAST-NEXT:  ucomiss  %xmm1, %xmm0
 | |
| ; FAST-NEXT:  setb     %al
 | |
|   %1 = fcmp ult float %x, 0.000000e+00
 | |
|   ret i1 %1
 | |
| }
 | |
| 
 | |
| define zeroext i1 @fcmp_ule2(float %x) {
 | |
| ; SDAG-LABEL: fcmp_ule2
 | |
| ; SDAG:       movb     $1, %al
 | |
| ; FAST-LABEL: fcmp_ule2
 | |
| ; FAST:       movb     $1, %al
 | |
|   %1 = fcmp ule float %x, %x
 | |
|   ret i1 %1
 | |
| }
 | |
| 
 | |
| define zeroext i1 @fcmp_ule3(float %x) {
 | |
| ; SDAG-LABEL: fcmp_ule3
 | |
| ; SDAG:       xorps    %xmm1, %xmm1
 | |
| ; SDAG-NEXT:  ucomiss  %xmm1, %xmm0
 | |
| ; SDAG-NEXT:  setbe    %al
 | |
| ; FAST-LABEL: fcmp_ule3
 | |
| ; FAST:       xorps    %xmm1, %xmm1
 | |
| ; FAST-NEXT:  ucomiss  %xmm1, %xmm0
 | |
| ; FAST-NEXT:  setbe    %al
 | |
|   %1 = fcmp ule float %x, 0.000000e+00
 | |
|   ret i1 %1
 | |
| }
 | |
| 
 | |
| define zeroext i1 @fcmp_une2(float %x) {
 | |
| ; SDAG-LABEL: fcmp_une2
 | |
| ; SDAG:       ucomiss  %xmm0, %xmm0
 | |
| ; SDAG-NEXT:  setp     %al
 | |
| ; FAST-LABEL: fcmp_une2
 | |
| ; FAST:       ucomiss  %xmm0, %xmm0
 | |
| ; FAST-NEXT:  setp     %al
 | |
|   %1 = fcmp une float %x, %x
 | |
|   ret i1 %1
 | |
| }
 | |
| 
 | |
| define zeroext i1 @fcmp_une3(float %x) {
 | |
| ; SDAG-LABEL: fcmp_une3
 | |
| ; SDAG:       xorps    %xmm1, %xmm1
 | |
| ; SDAG-NEXT:  cmpneqss %xmm1, %xmm0
 | |
| ; SDAG-NEXT:  movd     %xmm0, %eax
 | |
| ; SDAG-NEXT:  andl     $1, %eax
 | |
| ; FAST-LABEL: fcmp_une3
 | |
| ; FAST:       xorps    %xmm1, %xmm1
 | |
| ; FAST-NEXT:  ucomiss  %xmm1, %xmm0
 | |
| ; FAST-NEXT:  setne    %al
 | |
| ; FAST-NEXT:  setp     %cl
 | |
| ; FAST-NEXT:  orb      %al, %cl
 | |
|   %1 = fcmp une float %x, 0.000000e+00
 | |
|   ret i1 %1
 | |
| }
 | |
| 
 | |
| define zeroext i1 @icmp_eq2(i32 %x) {
 | |
| ; SDAG-LABEL: icmp_eq2
 | |
| ; SDAG:       movb     $1, %al
 | |
| ; FAST-LABEL: icmp_eq2
 | |
| ; FAST:       movb     $1, %al
 | |
|   %1 = icmp eq i32 %x, %x
 | |
|   ret i1 %1
 | |
| }
 | |
| 
 | |
| define zeroext i1 @icmp_ne2(i32 %x) {
 | |
| ; SDAG-LABEL: icmp_ne2
 | |
| ; SDAG:       xorl     %eax, %eax
 | |
| ; FAST-LABEL: icmp_ne2
 | |
| ; FAST:       xorl     %eax, %eax
 | |
|   %1 = icmp ne i32 %x, %x
 | |
|   ret i1 %1
 | |
| }
 | |
| 
 | |
| define zeroext i1 @icmp_ugt2(i32 %x) {
 | |
| ; SDAG-LABEL: icmp_ugt2
 | |
| ; SDAG:       xorl     %eax, %eax
 | |
| ; FAST-LABEL: icmp_ugt2
 | |
| ; FAST:       xorl     %eax, %eax
 | |
|   %1 = icmp ugt i32 %x, %x
 | |
|   ret i1 %1
 | |
| }
 | |
| 
 | |
| define zeroext i1 @icmp_uge2(i32 %x) {
 | |
| ; SDAG-LABEL: icmp_uge2
 | |
| ; SDAG:       movb     $1, %al
 | |
| ; FAST-LABEL: icmp_uge2
 | |
| ; FAST:       movb     $1, %al
 | |
|   %1 = icmp uge i32 %x, %x
 | |
|   ret i1 %1
 | |
| }
 | |
| 
 | |
| define zeroext i1 @icmp_ult2(i32 %x) {
 | |
| ; SDAG-LABEL: icmp_ult2
 | |
| ; SDAG:       xorl     %eax, %eax
 | |
| ; FAST-LABEL: icmp_ult2
 | |
| ; FAST:       xorl     %eax, %eax
 | |
|   %1 = icmp ult i32 %x, %x
 | |
|   ret i1 %1
 | |
| }
 | |
| 
 | |
| define zeroext i1 @icmp_ule2(i32 %x) {
 | |
| ; SDAG-LABEL: icmp_ule2
 | |
| ; SDAG:       movb     $1, %al
 | |
| ; FAST-LABEL: icmp_ule2
 | |
| ; FAST:       movb     $1, %al
 | |
|   %1 = icmp ule i32 %x, %x
 | |
|   ret i1 %1
 | |
| }
 | |
| 
 | |
| define zeroext i1 @icmp_sgt2(i32 %x) {
 | |
| ; SDAG-LABEL: icmp_sgt2
 | |
| ; SDAG:       xorl     %eax, %eax
 | |
| ; FAST-LABEL: icmp_sgt2
 | |
| ; FAST:       xorl     %eax, %eax
 | |
|   %1 = icmp sgt i32 %x, %x
 | |
|   ret i1 %1
 | |
| }
 | |
| 
 | |
| define zeroext i1 @icmp_sge2(i32 %x) {
 | |
| ; SDAG-LABEL: icmp_sge2
 | |
| ; SDAG:       movb     $1, %al
 | |
| ; FAST-LABEL: icmp_sge2
 | |
| ; FAST:       movb     $1, %al
 | |
|   %1 = icmp sge i32 %x, %x
 | |
|   ret i1 %1
 | |
| }
 | |
| 
 | |
| define zeroext i1 @icmp_slt2(i32 %x) {
 | |
| ; SDAG-LABEL: icmp_slt2
 | |
| ; SDAG:       xorl     %eax, %eax
 | |
| ; FAST-LABEL: icmp_slt2
 | |
| ; FAST:       xorl     %eax, %eax
 | |
|   %1 = icmp slt i32 %x, %x
 | |
|   ret i1 %1
 | |
| }
 | |
| 
 | |
| define zeroext i1 @icmp_sle2(i32 %x) {
 | |
| ; SDAG-LABEL: icmp_sle2
 | |
| ; SDAG:       movb     $1, %al
 | |
| ; FAST-LABEL: icmp_sle2
 | |
| ; FAST:       movb     $1, %al
 | |
|   %1 = icmp sle i32 %x, %x
 | |
|   ret i1 %1
 | |
| }
 | |
| 
 |