forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			258 lines
		
	
	
		
			6.8 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			258 lines
		
	
	
		
			6.8 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc < %s -mtriple=i386-apple-darwin10 -mcpu=penryn | FileCheck %s
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| 
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| ; rdar://7475489
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| 
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| define i32 @test1(i32 %a, i32 %b) nounwind ssp {
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| entry:
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| ; CHECK-LABEL: test1:
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| ; CHECK: xorb
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| ; CHECK-NOT: andb
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| ; CHECK-NOT: shrb
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| ; CHECK: testb $64
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|   %0 = and i32 %a, 16384
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|   %1 = icmp ne i32 %0, 0
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|   %2 = and i32 %b, 16384
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|   %3 = icmp ne i32 %2, 0
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|   %4 = xor i1 %1, %3
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|   br i1 %4, label %bb1, label %bb
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| 
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| bb:                                               ; preds = %entry
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|   %5 = tail call i32 (...)* @foo() nounwind       ; <i32> [#uses=1]
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|   ret i32 %5
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| 
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| bb1:                                              ; preds = %entry
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|   %6 = tail call i32 (...)* @bar() nounwind       ; <i32> [#uses=1]
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|   ret i32 %6
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| }
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| 
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| declare i32 @foo(...)
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| 
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| declare i32 @bar(...)
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| 
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| 
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| 
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| ; PR3351 - (P == 0) & (Q == 0) -> (P|Q) == 0
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| define i32 @test2(i32* %P, i32* %Q) nounwind ssp {
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| entry:
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|   %a = icmp eq i32* %P, null                    ; <i1> [#uses=1]
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|   %b = icmp eq i32* %Q, null                    ; <i1> [#uses=1]
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|   %c = and i1 %a, %b
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|   br i1 %c, label %bb1, label %return
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| 
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| bb1:                                              ; preds = %entry
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|   ret i32 4
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| 
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| return:                                           ; preds = %entry
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|   ret i32 192
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| ; CHECK-LABEL: test2:
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| ; CHECK:	movl	4(%esp), %eax
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| ; CHECK-NEXT:	orl	8(%esp), %eax
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| ; CHECK-NEXT:	jne	LBB1_2
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| }
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| 
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| ; PR3351 - (P != 0) | (Q != 0) -> (P|Q) != 0
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| define i32 @test3(i32* %P, i32* %Q) nounwind ssp {
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| entry:
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|   %a = icmp ne i32* %P, null                    ; <i1> [#uses=1]
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|   %b = icmp ne i32* %Q, null                    ; <i1> [#uses=1]
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|   %c = or i1 %a, %b
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|   br i1 %c, label %bb1, label %return
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| 
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| bb1:                                              ; preds = %entry
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|   ret i32 4
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| 
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| return:                                           ; preds = %entry
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|   ret i32 192
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| ; CHECK-LABEL: test3:
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| ; CHECK:	movl	4(%esp), %eax
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| ; CHECK-NEXT:	orl	8(%esp), %eax
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| ; CHECK-NEXT:	je	LBB2_2
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| }
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| 
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| ; <rdar://problem/7598384>:
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| ;
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| ;    jCC  L1
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| ;    jmp  L2
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| ; L1:
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| ;   ...
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| ; L2:
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| ;   ...
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| ;
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| ; to:
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| ; 
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| ;    jnCC L2
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| ; L1:
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| ;   ...
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| ; L2:
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| ;   ...
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| define float @test4(float %x, float %y) nounwind readnone optsize ssp {
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| entry:
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|   %0 = fpext float %x to double                   ; <double> [#uses=1]
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|   %1 = fpext float %y to double                   ; <double> [#uses=1]
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|   %2 = fmul double %0, %1                         ; <double> [#uses=3]
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|   %3 = fcmp oeq double %2, 0.000000e+00           ; <i1> [#uses=1]
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|   br i1 %3, label %bb2, label %bb1
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| 
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| ; CHECK:      jne
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| ; CHECK-NEXT: jnp
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| ; CHECK-NOT:  jmp
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| ; CHECK:      LBB
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| 
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| bb1:                                              ; preds = %entry
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|   %4 = fadd double %2, -1.000000e+00              ; <double> [#uses=1]
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|   br label %bb2
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| 
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| bb2:                                              ; preds = %entry, %bb1
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|   %.0.in = phi double [ %4, %bb1 ], [ %2, %entry ] ; <double> [#uses=1]
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|   %.0 = fptrunc double %.0.in to float            ; <float> [#uses=1]
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|   ret float %.0
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| }
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| 
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| declare i32 @llvm.x86.sse41.ptestz(<4 x float> %p1, <4 x float> %p2) nounwind
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| declare i32 @llvm.x86.sse41.ptestc(<4 x float> %p1, <4 x float> %p2) nounwind
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| 
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| define <4 x float> @test5(<4 x float> %a, <4 x float> %b) nounwind {
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| entry:
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| ; CHECK-LABEL: test5:
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| ; CHECK: ptest
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| ; CHECK-NEXT:	jne
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| ; CHECK: ret
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| 
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|   %res = call i32 @llvm.x86.sse41.ptestz(<4 x float> %a, <4 x float> %a) nounwind 
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|   %one = icmp ne i32 %res, 0 
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|   br i1 %one, label %bb1, label %bb2
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| 
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| bb1:
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|   %c = fadd <4 x float> %b, < float 1.000000e+002, float 2.000000e+002, float 3.000000e+002, float 4.000000e+002 >
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|   br label %return
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| 
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| bb2:
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| 	%d = fdiv <4 x float> %b, < float 1.000000e+002, float 2.000000e+002, float 3.000000e+002, float 4.000000e+002 >
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| 	br label %return
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| 
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| return:
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|   %e = phi <4 x float> [%c, %bb1], [%d, %bb2]
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|   ret <4 x float> %e
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| }
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| 
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| define <4 x float> @test7(<4 x float> %a, <4 x float> %b) nounwind {
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| entry:
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| ; CHECK-LABEL: test7:
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| ; CHECK: ptest
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| ; CHECK-NEXT:	jne
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| ; CHECK: ret
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| 
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|   %res = call i32 @llvm.x86.sse41.ptestz(<4 x float> %a, <4 x float> %a) nounwind 
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|   %one = trunc i32 %res to i1 
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|   br i1 %one, label %bb1, label %bb2
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| 
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| bb1:
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|   %c = fadd <4 x float> %b, < float 1.000000e+002, float 2.000000e+002, float 3.000000e+002, float 4.000000e+002 >
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|   br label %return
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| 
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| bb2:
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| 	%d = fdiv <4 x float> %b, < float 1.000000e+002, float 2.000000e+002, float 3.000000e+002, float 4.000000e+002 >
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| 	br label %return
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| 
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| return:
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|   %e = phi <4 x float> [%c, %bb1], [%d, %bb2]
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|   ret <4 x float> %e
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| }
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| 
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| define <4 x float> @test8(<4 x float> %a, <4 x float> %b) nounwind {
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| entry:
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| ; CHECK-LABEL: test8:
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| ; CHECK: ptest
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| ; CHECK-NEXT:	jae
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| ; CHECK: ret
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| 
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|   %res = call i32 @llvm.x86.sse41.ptestc(<4 x float> %a, <4 x float> %a) nounwind 
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|   %one = icmp ne i32 %res, 0 
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|   br i1 %one, label %bb1, label %bb2
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| 
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| bb1:
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|   %c = fadd <4 x float> %b, < float 1.000000e+002, float 2.000000e+002, float 3.000000e+002, float 4.000000e+002 >
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|   br label %return
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| 
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| bb2:
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| 	%d = fdiv <4 x float> %b, < float 1.000000e+002, float 2.000000e+002, float 3.000000e+002, float 4.000000e+002 >
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| 	br label %return
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| 
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| return:
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|   %e = phi <4 x float> [%c, %bb1], [%d, %bb2]
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|   ret <4 x float> %e
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| }
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| 
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| define <4 x float> @test10(<4 x float> %a, <4 x float> %b) nounwind {
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| entry:
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| ; CHECK-LABEL: test10:
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| ; CHECK: ptest
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| ; CHECK-NEXT:	jae
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| ; CHECK: ret
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| 
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|   %res = call i32 @llvm.x86.sse41.ptestc(<4 x float> %a, <4 x float> %a) nounwind 
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|   %one = trunc i32 %res to i1 
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|   br i1 %one, label %bb1, label %bb2
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| 
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| bb1:
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|   %c = fadd <4 x float> %b, < float 1.000000e+002, float 2.000000e+002, float 3.000000e+002, float 4.000000e+002 >
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|   br label %return
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| 
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| bb2:
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| 	%d = fdiv <4 x float> %b, < float 1.000000e+002, float 2.000000e+002, float 3.000000e+002, float 4.000000e+002 >
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| 	br label %return
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| 
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| return:
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|   %e = phi <4 x float> [%c, %bb1], [%d, %bb2]
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|   ret <4 x float> %e
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| }
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| 
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| define <4 x float> @test11(<4 x float> %a, <4 x float> %b) nounwind {
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| entry:
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| ; CHECK-LABEL: test11:
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| ; CHECK: ptest
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| ; CHECK-NEXT:	jne
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| ; CHECK: ret
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| 
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|   %res = call i32 @llvm.x86.sse41.ptestz(<4 x float> %a, <4 x float> %a) nounwind 
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|   %one = icmp eq i32 %res, 1 
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|   br i1 %one, label %bb1, label %bb2
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| 
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| bb1:
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|   %c = fadd <4 x float> %b, < float 1.000000e+002, float 2.000000e+002, float 3.000000e+002, float 4.000000e+002 >
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|   br label %return
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| 
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| bb2:
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| 	%d = fdiv <4 x float> %b, < float 1.000000e+002, float 2.000000e+002, float 3.000000e+002, float 4.000000e+002 >
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| 	br label %return
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| 
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| return:
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|   %e = phi <4 x float> [%c, %bb1], [%d, %bb2]
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|   ret <4 x float> %e
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| }
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| 
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| define <4 x float> @test12(<4 x float> %a, <4 x float> %b) nounwind {
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| entry:
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| ; CHECK-LABEL: test12:
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| ; CHECK: ptest
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| ; CHECK-NEXT:	je
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| ; CHECK: ret
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| 
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|   %res = call i32 @llvm.x86.sse41.ptestz(<4 x float> %a, <4 x float> %a) nounwind 
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|   %one = icmp ne i32 %res, 1 
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|   br i1 %one, label %bb1, label %bb2
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| 
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| bb1:
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|   %c = fadd <4 x float> %b, < float 1.000000e+002, float 2.000000e+002, float 3.000000e+002, float 4.000000e+002 >
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|   br label %return
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| 
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| bb2:
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| 	%d = fdiv <4 x float> %b, < float 1.000000e+002, float 2.000000e+002, float 3.000000e+002, float 4.000000e+002 >
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| 	br label %return
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| 
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| return:
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|   %e = phi <4 x float> [%c, %bb1], [%d, %bb2]
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|   ret <4 x float> %e
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| }
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| 
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