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	git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219357 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			220 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			220 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; RUN: llc < %s -march=x86-64 -verify-machineinstrs | FileCheck %s
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| ; RUN: llc < %s -march=x86-64 -mattr=slow-incdec -verify-machineinstrs | FileCheck %s --check-prefix SLOW_INC
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| 
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| ; rdar://7103704
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| 
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| define void @sub1(i32* nocapture %p, i32 %v) nounwind ssp {
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| entry:
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| ; CHECK-LABEL: sub1:
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| ; CHECK: subl
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|   %0 = atomicrmw sub i32* %p, i32 %v monotonic
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|   ret void
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| }
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| 
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| define void @inc4(i64* nocapture %p) nounwind ssp {
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| entry:
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| ; CHECK-LABEL: inc4:
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| ; CHECK: incq
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| ; SLOW_INC-LABEL: inc4:
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| ; SLOW_INC-NOT: incq
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|   %0 = atomicrmw add i64* %p, i64 1 monotonic
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|   ret void
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| }
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| 
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| define void @add8(i64* nocapture %p) nounwind ssp {
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| entry:
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| ; CHECK-LABEL: add8:
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| ; CHECK: addq $2
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|   %0 = atomicrmw add i64* %p, i64 2 monotonic
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|   ret void
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| }
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| 
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| define void @add4(i64* nocapture %p, i32 %v) nounwind ssp {
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| entry:
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| ; CHECK-LABEL: add4:
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| ; CHECK: addq
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|   %0 = sext i32 %v to i64		; <i64> [#uses=1]
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|   %1 = atomicrmw add i64* %p, i64 %0 monotonic
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|   ret void
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| }
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| 
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| define void @inc3(i8* nocapture %p) nounwind ssp {
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| entry:
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| ; CHECK-LABEL: inc3:
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| ; CHECK: incb
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| ; SLOW_INC-LABEL: inc3:
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| ; SLOW_INC-NOT: incb
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|   %0 = atomicrmw add i8* %p, i8 1 monotonic
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|   ret void
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| }
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| 
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| define void @add7(i8* nocapture %p) nounwind ssp {
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| entry:
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| ; CHECK-LABEL: add7:
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| ; CHECK: addb $2
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|   %0 = atomicrmw add i8* %p, i8 2 monotonic
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|   ret void
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| }
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| 
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| define void @add3(i8* nocapture %p, i32 %v) nounwind ssp {
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| entry:
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| ; CHECK-LABEL: add3:
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| ; CHECK: addb
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|   %0 = trunc i32 %v to i8		; <i8> [#uses=1]
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|   %1 = atomicrmw add i8* %p, i8 %0 monotonic
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|   ret void
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| }
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| 
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| define void @inc2(i16* nocapture %p) nounwind ssp {
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| entry:
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| ; CHECK-LABEL: inc2:
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| ; CHECK: incw
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| ; SLOW_INC-LABEL: inc2:
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| ; SLOW_INC-NOT: incw
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|   %0 = atomicrmw add i16* %p, i16 1 monotonic
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|   ret void
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| }
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| 
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| define void @add6(i16* nocapture %p) nounwind ssp {
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| entry:
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| ; CHECK-LABEL: add6:
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| ; CHECK: addw $2
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|   %0 = atomicrmw add i16* %p, i16 2 monotonic
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|   ret void
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| }
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| 
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| define void @add2(i16* nocapture %p, i32 %v) nounwind ssp {
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| entry:
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| ; CHECK-LABEL: add2:
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| ; CHECK: addw
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| 	%0 = trunc i32 %v to i16		; <i16> [#uses=1]
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|   %1 = atomicrmw add i16* %p, i16 %0 monotonic
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|   ret void
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| }
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| 
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| define void @inc1(i32* nocapture %p) nounwind ssp {
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| entry:
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| ; CHECK-LABEL: inc1:
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| ; CHECK: incl
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| ; SLOW_INC-LABEL: inc1:
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| ; SLOW_INC-NOT: incl
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|   %0 = atomicrmw add i32* %p, i32 1 monotonic
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|   ret void
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| }
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| 
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| define void @add5(i32* nocapture %p) nounwind ssp {
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| entry:
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| ; CHECK-LABEL: add5:
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| ; CHECK: addl $2
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|   %0 = atomicrmw add i32* %p, i32 2 monotonic
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|   ret void
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| }
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| 
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| define void @add1(i32* nocapture %p, i32 %v) nounwind ssp {
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| entry:
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| ; CHECK-LABEL: add1:
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| ; CHECK: addl
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|   %0 = atomicrmw add i32* %p, i32 %v monotonic
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|   ret void
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| }
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| 
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| define void @dec4(i64* nocapture %p) nounwind ssp {
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| entry:
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| ; CHECK-LABEL: dec4:
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| ; CHECK: decq
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| ; SLOW_INC-LABEL: dec4:
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| ; SLOW_INC-NOT: decq
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|   %0 = atomicrmw sub i64* %p, i64 1 monotonic
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|   ret void
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| }
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| 
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| define void @sub8(i64* nocapture %p) nounwind ssp {
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| entry:
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| ; CHECK-LABEL: sub8:
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| ; CHECK: subq $2
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|   %0 = atomicrmw sub i64* %p, i64 2 monotonic
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|   ret void
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| }
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| 
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| define void @sub4(i64* nocapture %p, i32 %v) nounwind ssp {
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| entry:
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| ; CHECK-LABEL: sub4:
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| ; CHECK: subq
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| 	%0 = sext i32 %v to i64		; <i64> [#uses=1]
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|   %1 = atomicrmw sub i64* %p, i64 %0 monotonic
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|   ret void
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| }
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| 
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| define void @dec3(i8* nocapture %p) nounwind ssp {
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| entry:
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| ; CHECK-LABEL: dec3:
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| ; CHECK: decb
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| ; SLOW_INC-LABEL: dec3:
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| ; SLOW_INC-NOT: decb
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|   %0 = atomicrmw sub i8* %p, i8 1 monotonic
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|   ret void
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| }
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| 
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| define void @sub7(i8* nocapture %p) nounwind ssp {
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| entry:
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| ; CHECK-LABEL: sub7:
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| ; CHECK: subb $2
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|   %0 = atomicrmw sub i8* %p, i8 2 monotonic
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|   ret void
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| }
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| 
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| define void @sub3(i8* nocapture %p, i32 %v) nounwind ssp {
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| entry:
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| ; CHECK-LABEL: sub3:
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| ; CHECK: subb
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| 	%0 = trunc i32 %v to i8		; <i8> [#uses=1]
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|   %1 = atomicrmw sub i8* %p, i8 %0 monotonic
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|   ret void
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| }
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| 
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| define void @dec2(i16* nocapture %p) nounwind ssp {
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| entry:
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| ; CHECK-LABEL: dec2:
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| ; CHECK: decw
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| ; SLOW_INC-LABEL: dec2:
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| ; SLOW_INC-NOT: decw
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|   %0 = atomicrmw sub i16* %p, i16 1 monotonic
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|   ret void
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| }
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| 
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| define void @sub6(i16* nocapture %p) nounwind ssp {
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| entry:
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| ; CHECK-LABEL: sub6:
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| ; CHECK: subw $2
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|   %0 = atomicrmw sub i16* %p, i16 2 monotonic
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|   ret void
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| }
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| 
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| define void @sub2(i16* nocapture %p, i32 %v) nounwind ssp {
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| entry:
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| ; CHECK-LABEL: sub2:
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| ; CHECK-NOT: negl
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| ; CHECK: subw
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| 	%0 = trunc i32 %v to i16		; <i16> [#uses=1]
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|   %1 = atomicrmw sub i16* %p, i16 %0 monotonic
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|   ret void
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| }
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| 
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| define void @dec1(i32* nocapture %p) nounwind ssp {
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| entry:
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| ; CHECK-LABEL: dec1:
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| ; CHECK: decl
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| ; SLOW_INC-LABEL: dec1:
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| ; SLOW_INC-NOT: decl
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|   %0 = atomicrmw sub i32* %p, i32 1 monotonic
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|   ret void
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| }
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| 
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| define void @sub5(i32* nocapture %p) nounwind ssp {
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| entry:
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| ; CHECK-LABEL: sub5:
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| ; CHECK: subl $2
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|   %0 = atomicrmw sub i32* %p, i32 2 monotonic
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|   ret void
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| }
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