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	There is no advantage in being different and using the same names simplifies clang a bit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189141 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			139 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			139 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; RUN: llc < %s -march=x86-64 -mattr=+sse4.1,-avx,+rdrnd,+rdseed | FileCheck %s
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| 
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| define i32 @foo(<2 x i64> %c, i32 %a, i32 %b) {
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|   %t1 = call i32 @llvm.x86.sse41.ptestz(<2 x i64> %c, <2 x i64> %c)
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|   %t2 = icmp ne i32 %t1, 0
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|   %t3 = select i1 %t2, i32 %a, i32 %b
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|   ret i32 %t3
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| ; CHECK: foo
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| ; CHECK: ptest
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| ; CHECK-NOT: testl
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| ; CHECK: cmov
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| ; CHECK: ret
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| }
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| 
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| define i32 @bar(<2 x i64> %c) {
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| entry:
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|   %0 = call i32 @llvm.x86.sse41.ptestz(<2 x i64> %c, <2 x i64> %c)
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|   %1 = icmp ne i32 %0, 0
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|   br i1 %1, label %if-true-block, label %endif-block
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| if-true-block:                                    ; preds = %entry
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|   ret i32 0
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| endif-block:                                      ; preds = %entry,
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|   ret i32 1
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| ; CHECK: bar
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| ; CHECK: ptest
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| ; CHECK-NOT: testl
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| ; CHECK: jne
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| ; CHECK: ret
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| }
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| 
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| define i32 @bax(<2 x i64> %c) {
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|   %t1 = call i32 @llvm.x86.sse41.ptestz(<2 x i64> %c, <2 x i64> %c)
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|   %t2 = icmp eq i32 %t1, 1
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|   %t3 = zext i1 %t2 to i32
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|   ret i32 %t3
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| ; CHECK: bax
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| ; CHECK: ptest
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| ; CHECK-NOT: cmpl
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| ; CHECK: ret
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| }
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| 
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| define i16 @rnd16(i16 %arg) nounwind uwtable {
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|   %1 = tail call { i16, i32 } @llvm.x86.rdrand.16() nounwind
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|   %2 = extractvalue { i16, i32 } %1, 0
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|   %3 = extractvalue { i16, i32 } %1, 1
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|   %4 = icmp eq i32 %3, 0
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|   %5 = select i1 %4, i16 0, i16 %arg
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|   %6 = add i16 %5, %2
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|   ret i16 %6
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| ; CHECK: rnd16
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| ; CHECK: rdrand
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| ; CHECK: cmov
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| ; CHECK-NOT: cmov
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| ; CHECK: ret
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| }
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| 
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| define i32 @rnd32(i32 %arg) nounwind uwtable {
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|   %1 = tail call { i32, i32 } @llvm.x86.rdrand.32() nounwind
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|   %2 = extractvalue { i32, i32 } %1, 0
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|   %3 = extractvalue { i32, i32 } %1, 1
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|   %4 = icmp eq i32 %3, 0
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|   %5 = select i1 %4, i32 0, i32 %arg
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|   %6 = add i32 %5, %2
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|   ret i32 %6
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| ; CHECK: rnd32
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| ; CHECK: rdrand
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| ; CHECK: cmov
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| ; CHECK-NOT: cmov
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| ; CHECK: ret
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| }
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| 
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| define i64 @rnd64(i64 %arg) nounwind uwtable {
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|   %1 = tail call { i64, i32 } @llvm.x86.rdrand.64() nounwind
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|   %2 = extractvalue { i64, i32 } %1, 0
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|   %3 = extractvalue { i64, i32 } %1, 1
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|   %4 = icmp eq i32 %3, 0
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|   %5 = select i1 %4, i64 0, i64 %arg
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|   %6 = add i64 %5, %2
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|   ret i64 %6
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| ; CHECK: rnd64
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| ; CHECK: rdrand
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| ; CHECK: cmov
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| ; CHECK-NOT: cmov
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| ; CHECK: ret
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| }
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| 
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| define i16 @seed16(i16 %arg) nounwind uwtable {
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|   %1 = tail call { i16, i32 } @llvm.x86.rdseed.16() nounwind
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|   %2 = extractvalue { i16, i32 } %1, 0
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|   %3 = extractvalue { i16, i32 } %1, 1
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|   %4 = icmp eq i32 %3, 0
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|   %5 = select i1 %4, i16 0, i16 %arg
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|   %6 = add i16 %5, %2
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|   ret i16 %6
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| ; CHECK: seed16
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| ; CHECK: rdseed
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| ; CHECK: cmov
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| ; CHECK-NOT: cmov
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| ; CHECK: ret
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| }
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| 
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| define i32 @seed32(i32 %arg) nounwind uwtable {
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|   %1 = tail call { i32, i32 } @llvm.x86.rdseed.32() nounwind
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|   %2 = extractvalue { i32, i32 } %1, 0
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|   %3 = extractvalue { i32, i32 } %1, 1
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|   %4 = icmp eq i32 %3, 0
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|   %5 = select i1 %4, i32 0, i32 %arg
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|   %6 = add i32 %5, %2
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|   ret i32 %6
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| ; CHECK: seed32
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| ; CHECK: rdseed
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| ; CHECK: cmov
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| ; CHECK-NOT: cmov
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| ; CHECK: ret
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| }
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| 
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| define i64 @seed64(i64 %arg) nounwind uwtable {
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|   %1 = tail call { i64, i32 } @llvm.x86.rdseed.64() nounwind
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|   %2 = extractvalue { i64, i32 } %1, 0
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|   %3 = extractvalue { i64, i32 } %1, 1
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|   %4 = icmp eq i32 %3, 0
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|   %5 = select i1 %4, i64 0, i64 %arg
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|   %6 = add i64 %5, %2
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|   ret i64 %6
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| ; CHECK: seed64
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| ; CHECK: rdseed
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| ; CHECK: cmov
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| ; CHECK-NOT: cmov
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| ; CHECK: ret
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| }
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| 
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| declare i32 @llvm.x86.sse41.ptestz(<2 x i64>, <2 x i64>) nounwind readnone
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| declare { i16, i32 } @llvm.x86.rdrand.16() nounwind
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| declare { i32, i32 } @llvm.x86.rdrand.32() nounwind
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| declare { i64, i32 } @llvm.x86.rdrand.64() nounwind
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| declare { i16, i32 } @llvm.x86.rdseed.16() nounwind
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| declare { i32, i32 } @llvm.x86.rdseed.32() nounwind
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| declare { i64, i32 } @llvm.x86.rdseed.64() nounwind
 |