90 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			90 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc -verify-machineinstrs -mcpu=pwr7 < %s | FileCheck %s
 | |
| target datalayout = "E-m:e-i64:64-n32:64"
 | |
| target triple = "powerpc64-unknown-linux-gnu"
 | |
| 
 | |
| ; Function Attrs: nounwind readnone
 | |
| define signext i32 @foo(i32 signext %a) #0 {
 | |
| entry:
 | |
|   %mul = mul nsw i32 %a, %a
 | |
|   %shr2 = lshr i32 %mul, 5
 | |
|   ret i32 %shr2
 | |
| 
 | |
| ; CHECK-LABEL: @foo
 | |
| ; CHECK-NOT: rldicl 3, {{[0-9]+}}, 0, 32
 | |
| ; CHECK: blr
 | |
| }
 | |
| 
 | |
| define zeroext i32 @test6(i32 zeroext %x) #0 {
 | |
| entry:
 | |
|   %and = lshr i32 %x, 16
 | |
|   %shr = and i32 %and, 255
 | |
|   %and1 = shl i32 %x, 16
 | |
|   %shl = and i32 %and1, 16711680
 | |
|   %or = or i32 %shr, %shl
 | |
|   ret i32 %or
 | |
| 
 | |
| ; CHECK-LABEL: @test6
 | |
| ; CHECK-NOT: rldicl 3, {{[0-9]+}}, 0, 32
 | |
| ; CHECK: blr
 | |
| }
 | |
| 
 | |
| define zeroext i32 @min(i32 zeroext %a, i32 zeroext %b) #0 {
 | |
| entry:
 | |
|   %cmp = icmp ule i32 %a, %b
 | |
|   %cond = select i1 %cmp, i32 %a, i32 %b
 | |
|   ret i32 %cond
 | |
| 
 | |
| ; CHECK-LABEL: @min
 | |
| ; CHECK-NOT: rldicl 3, {{[0-9]+}}, 0, 32
 | |
| ; CHECK: blr
 | |
| }
 | |
| 
 | |
| ; Function Attrs: nounwind readnone
 | |
| declare i32 @llvm.bswap.i32(i32) #0
 | |
| 
 | |
| ; Function Attrs: nounwind readonly
 | |
| define zeroext i32 @bs32(i32* nocapture readonly %x) #1 {
 | |
| entry:
 | |
|   %0 = load i32, i32* %x, align 4
 | |
|   %1 = tail call i32 @llvm.bswap.i32(i32 %0)
 | |
|   ret i32 %1
 | |
| 
 | |
| ; CHECK-LABEL: @bs32
 | |
| ; CHECK-NOT: rldicl 3, {{[0-9]+}}, 0, 32
 | |
| ; CHECK: blr
 | |
| }
 | |
| 
 | |
| ; Function Attrs: nounwind readonly
 | |
| define zeroext i16 @bs16(i16* nocapture readonly %x) #1 {
 | |
| entry:
 | |
|   %0 = load i16, i16* %x, align 2
 | |
|   %1 = tail call i16 @llvm.bswap.i16(i16 %0)
 | |
|   ret i16 %1
 | |
| 
 | |
| ; CHECK-LABEL: @bs16
 | |
| ; CHECK-NOT: rldicl 3, {{[0-9]+}}, 0, 32
 | |
| ; CHECK: blr
 | |
| }
 | |
| 
 | |
| ; Function Attrs: nounwind readnone
 | |
| declare i16 @llvm.bswap.i16(i16) #0
 | |
| 
 | |
| ; Function Attrs: nounwind readnone
 | |
| define zeroext i32 @ctlz32(i32 zeroext %x) #0 {
 | |
| entry:
 | |
|   %0 = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false)
 | |
|   ret i32 %0
 | |
| 
 | |
| ; CHECK-LABEL: @ctlz32
 | |
| ; CHECK-NOT: rldicl 3, {{[0-9]+}}, 0, 32
 | |
| ; CHECK: blr
 | |
| }
 | |
| 
 | |
| ; Function Attrs: nounwind readnone
 | |
| declare i32 @llvm.ctlz.i32(i32, i1) #0
 | |
| 
 | |
| 
 | |
| attributes #0 = { nounwind readnone }
 | |
| attributes #1 = { nounwind readonly }
 | |
| 
 |