forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			45 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			45 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: llc < %s -O0 -mtriple=armv7-eabi -mcpu=cortex-a8 -mattr=+neon,+fp-armv8 | FileCheck %s
 | 
						|
; RUN: llc < %s -O3 -mtriple=armv7-eabi -mcpu=cortex-a8 -mattr=+neon,+fp-armv8 | FileCheck %s
 | 
						|
 | 
						|
@a = common global double 0.000000e+00, align 8
 | 
						|
 | 
						|
; Function Attrs: noinline nounwind uwtable
 | 
						|
define void @strtod() {
 | 
						|
entry:
 | 
						|
  ; CHECK: vmrs r{{[0-9]+}}, fpscr
 | 
						|
  %0 = call i32 @llvm.flt.rounds()
 | 
						|
  %tobool = icmp ne i32 %0, 0
 | 
						|
  br i1 %tobool, label %if.then, label %if.end
 | 
						|
 | 
						|
if.then:                                          ; preds = %entry
 | 
						|
  store double 5.000000e-01, double* @a, align 8
 | 
						|
  br label %if.end
 | 
						|
 | 
						|
if.end:                                           ; preds = %if.then, %entry
 | 
						|
  ret void
 | 
						|
}
 | 
						|
 | 
						|
; Function Attrs: nounwind
 | 
						|
define void @fn1(i32* nocapture %p) local_unnamed_addr {
 | 
						|
entry:
 | 
						|
  ; CHECK: vmrs r{{[0-9]+}}, fpscr
 | 
						|
  %0 = tail call i32 @llvm.arm.get.fpscr()
 | 
						|
  store i32 %0, i32* %p, align 4
 | 
						|
  ; CHECK: vmsr fpscr, r{{[0-9]+}}
 | 
						|
  tail call void @llvm.arm.set.fpscr(i32 1)
 | 
						|
  ; CHECK: vmrs r{{[0-9]+}}, fpscr
 | 
						|
  %1 = tail call i32 @llvm.arm.get.fpscr()
 | 
						|
  %arrayidx1 = getelementptr inbounds i32, i32* %p, i32 1
 | 
						|
  store i32 %1, i32* %arrayidx1, align 4
 | 
						|
  ret void
 | 
						|
}
 | 
						|
 | 
						|
; Function Attrs: nounwind readonly
 | 
						|
declare i32 @llvm.arm.get.fpscr()
 | 
						|
 | 
						|
; Function Attrs: nounwind writeonly
 | 
						|
declare void @llvm.arm.set.fpscr(i32)
 | 
						|
 | 
						|
; Function Attrs: nounwind
 | 
						|
declare i32 @llvm.flt.rounds()
 |