36 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			36 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc -verify-machineinstrs -o - %s -mtriple=aarch64-none-linux-gnu -mcpu=cyclone | FileCheck %s
 | |
| 
 | |
| @varfloat = global float 0.0
 | |
| @vardouble = global double 0.0
 | |
| 
 | |
| declare void @use_float(float)
 | |
| declare void @use_double(double)
 | |
| 
 | |
| define void @test_csel(i32 %lhs32, i32 %rhs32, i64 %lhs64) {
 | |
| ; CHECK-LABEL: test_csel:
 | |
| 
 | |
|   %tst1 = icmp ugt i32 %lhs32, %rhs32
 | |
|   %val1 = select i1 %tst1, float 0.0, float 1.0
 | |
|   store float %val1, float* @varfloat
 | |
| ; CHECK-DAG: fmov s[[FLT0:[0-9]+]], wzr
 | |
| ; CHECK-DAG: fmov s[[FLT1:[0-9]+]], #1.0
 | |
| ; CHECK: fcsel {{s[0-9]+}}, s[[FLT0]], s[[FLT1]], hi
 | |
| 
 | |
|   %rhs64 = sext i32 %rhs32 to i64
 | |
|   %tst2 = icmp sle i64 %lhs64, %rhs64
 | |
|   %val2 = select i1 %tst2, double 1.0, double 0.0
 | |
|   store double %val2, double* @vardouble
 | |
| ; FLT0 is reused from above on ARM64.
 | |
| ; CHECK: fmov d[[FLT1:[0-9]+]], #1.0
 | |
| ; CHECK: fcsel {{d[0-9]+}}, d[[FLT1]], d[[FLT0]], le
 | |
| 
 | |
|   call void @use_float(float 0.0)
 | |
|   call void @use_float(float 1.0)
 | |
| 
 | |
|   call void @use_double(double 0.0)
 | |
|   call void @use_double(double 1.0)
 | |
| 
 | |
|   ret void
 | |
| ; CHECK: ret
 | |
| }
 |