136 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			136 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: llc -march=hexagon < %s | FileCheck %s
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; CHECK-LABEL: popcount_16
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; CHECK: zxth
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; CHECK: popcount
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define i16 @popcount_16(i16 %p) #0 {
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  %t = call i16 @llvm.ctpop.i16(i16 %p) #0
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  ret i16 %t
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}
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; CHECK-LABEL: popcount_32
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; CHECK: popcount
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define i32 @popcount_32(i32 %p) #0 {
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  %t = call i32 @llvm.ctpop.i32(i32 %p) #0
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  ret i32 %t
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}
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; CHECK-LABEL: popcount_64
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; CHECK: popcount
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define i64 @popcount_64(i64 %p) #0 {
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  %t = call i64 @llvm.ctpop.i64(i64 %p) #0
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  ret i64 %t
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}
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; CHECK-LABEL: ctlz_16
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; CHECK: [[REG0:r[0-9]+]] = zxth
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; CHECK: [[REG1:r[0-9]+]] = cl0([[REG0]])
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; CHECK: add([[REG1]],#-16)
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define i16 @ctlz_16(i16 %p) #0 {
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  %t = call i16 @llvm.ctlz.i16(i16 %p, i1 true) #0
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  ret i16 %t
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}
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; CHECK-LABEL: ctlz_32
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; CHECK: cl0
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define i32 @ctlz_32(i32 %p) #0 {
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  %t = call i32 @llvm.ctlz.i32(i32 %p, i1 true) #0
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  ret i32 %t
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}
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; CHECK-LABEL: ctlz_64
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; CHECK: cl0
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define i64 @ctlz_64(i64 %p) #0 {
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  %t = call i64 @llvm.ctlz.i64(i64 %p, i1 true) #0
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  ret i64 %t
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}
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; CHECK-LABEL: cttz_16
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; CHECK: ct0
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define i16 @cttz_16(i16 %p) #0 {
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  %t = call i16 @llvm.cttz.i16(i16 %p, i1 true) #0
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  ret i16 %t
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}
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; CHECK-LABEL: cttz_32
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; CHECK: ct0
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define i32 @cttz_32(i32 %p) #0 {
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  %t = call i32 @llvm.cttz.i32(i32 %p, i1 true) #0
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  ret i32 %t
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}
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; CHECK-LABEL: cttz_64
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; CHECK: ct0
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define i64 @cttz_64(i64 %p) #0 {
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  %t = call i64 @llvm.cttz.i64(i64 %p, i1 true) #0
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  ret i64 %t
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}
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; CHECK-LABEL: brev_16
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; CHECK: [[REG:r[0-9]+]] = brev
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; CHECK: lsr([[REG]],#16)
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define i16 @brev_16(i16 %p) #0 {
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  %t = call i16 @llvm.bitreverse.i16(i16 %p) #0
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  ret i16 %t
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}
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; CHECK-LABEL: brev_32
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; CHECK: brev
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define i32 @brev_32(i32 %p) #0 {
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  %t = call i32 @llvm.bitreverse.i32(i32 %p) #0
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  ret i32 %t
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}
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; CHECK-LABEL: brev_64
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; CHECK: brev
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define i64 @brev_64(i64 %p) #0 {
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  %t = call i64 @llvm.bitreverse.i64(i64 %p) #0
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  ret i64 %t
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}
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; CHECK-LABEL: bswap_16
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; CHECK: [[REG:r[0-9]+]] = swiz
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; CHECK: lsr([[REG]],#16)
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define i16 @bswap_16(i16 %p) #0 {
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  %t = call i16 @llvm.bswap.i16(i16 %p) #0
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  ret i16 %t
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}
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; CHECK-LABEL: bswap_32
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; CHECK: swiz
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define i32 @bswap_32(i32 %p) #0 {
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  %t = call i32 @llvm.bswap.i32(i32 %p) #0
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  ret i32 %t
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}
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; CHECK-LABEL: bswap_64
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; CHECK: swiz
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; CHECK: swiz
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; CHECK: combine
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define i64 @bswap_64(i64 %p) #0 {
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  %t = call i64 @llvm.bswap.i64(i64 %p) #0
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  ret i64 %t
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}
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declare i16 @llvm.ctpop.i16(i16) #0
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declare i32 @llvm.ctpop.i32(i32) #0
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declare i64 @llvm.ctpop.i64(i64) #0
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declare i16 @llvm.ctlz.i16(i16, i1) #0
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declare i32 @llvm.ctlz.i32(i32, i1) #0
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declare i64 @llvm.ctlz.i64(i64, i1) #0
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declare i16 @llvm.cttz.i16(i16, i1) #0
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declare i32 @llvm.cttz.i32(i32, i1) #0
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declare i64 @llvm.cttz.i64(i64, i1) #0
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declare i16 @llvm.bitreverse.i16(i16) #0
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declare i32 @llvm.bitreverse.i32(i32) #0
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declare i64 @llvm.bitreverse.i64(i64) #0
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declare i16 @llvm.bswap.i16(i16) #0
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declare i32 @llvm.bswap.i32(i32) #0
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declare i64 @llvm.bswap.i64(i64) #0
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attributes #0 = { nounwind readnone }
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