130 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			130 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc -verify-machineinstrs -mtriple=powerpc-unknown-linux-gnu -O1 < %s | FileCheck %s
 | |
| 
 | |
| ; double x, y;
 | |
| ; 
 | |
| ; void foo1()
 | |
| ; {
 | |
| ;   x = y = 1.1;
 | |
| ;   for (int i = 0; i < 175; i++)
 | |
| ;     y = x + y;    
 | |
| ; }
 | |
| ; void foo2()
 | |
| ; {
 | |
| ;   x = y = 1.1;
 | |
| ;   for (int i = 0; i < 175; i++)
 | |
| ;     y = x - y;    
 | |
| ; }
 | |
| ; void foo3()
 | |
| ; {
 | |
| ;   x = y = 1.1;
 | |
| ;   for (int i = 0; i < 175; i++)
 | |
| ;     y = x * y;    
 | |
| ; }
 | |
| ; void foo4()
 | |
| ; {
 | |
| ;   x = y = 1.1;
 | |
| ;   for (int i = 0; i < 175; i++)
 | |
| ;     y = x / y;    
 | |
| ; }
 | |
| 
 | |
| target datalayout = "E-m:e-p:32:32-i64:64-n32"
 | |
| target triple = "powerpc-buildroot-linux-gnu"
 | |
| 
 | |
| @y = common global double 0.000000e+00, align 8
 | |
| @x = common global double 0.000000e+00, align 8
 | |
| 
 | |
| define void @foo1() #0 {
 | |
|   store double 1.100000e+00, double* @y, align 8
 | |
|   store double 1.100000e+00, double* @x, align 8
 | |
|   br label %2
 | |
| 
 | |
| ; <label>:1                                       ; preds = %2
 | |
|   %.lcssa = phi double [ %4, %2 ]
 | |
|   store double %.lcssa, double* @y, align 8
 | |
|   ret void
 | |
| 
 | |
| ; <label>:2                                       ; preds = %2, %0
 | |
|   %3 = phi double [ 1.100000e+00, %0 ], [ %4, %2 ]
 | |
|   %i.01 = phi i32 [ 0, %0 ], [ %5, %2 ]
 | |
|   %4 = fadd double %3, 1.100000e+00
 | |
|   %5 = add nuw nsw i32 %i.01, 1
 | |
|   %exitcond = icmp eq i32 %5, 75
 | |
|   br i1 %exitcond, label %1, label %2
 | |
|   ; CHECK: bl __adddf3
 | |
|   ; CHECK: cmplwi
 | |
|   ; CHECK-NOT: li [[REG1:[0-9]+]], 175
 | |
|   ; CHECK-NOT: mtctr [[REG1]]
 | |
| }
 | |
| 
 | |
| define void @foo2() #0 {
 | |
|   store double 1.100000e+00, double* @y, align 8
 | |
|   store double 1.100000e+00, double* @x, align 8
 | |
|   br label %2
 | |
| 
 | |
| ; <label>:1                                       ; preds = %2
 | |
|   %.lcssa = phi double [ %4, %2 ]
 | |
|   store double %.lcssa, double* @y, align 8
 | |
|   ret void
 | |
| 
 | |
| ; <label>:2                                       ; preds = %2, %0
 | |
|   %3 = phi double [ 1.100000e+00, %0 ], [ %4, %2 ]
 | |
|   %i.01 = phi i32 [ 0, %0 ], [ %5, %2 ]
 | |
|   %4 = fsub double 1.100000e+00, %3
 | |
|   %5 = add nuw nsw i32 %i.01, 1
 | |
|   %exitcond = icmp eq i32 %5, 75
 | |
|   br i1 %exitcond, label %1, label %2
 | |
|   ; CHECK: bl __subdf3
 | |
|   ; CHECK: cmplwi
 | |
|   ; CHECK-NOT: li [[REG1:[0-9]+]], 175
 | |
|   ; CHECK-NOT: mtctr [[REG1]]
 | |
| }
 | |
| 
 | |
| define void @foo3() #0 {
 | |
|   store double 1.100000e+00, double* @y, align 8
 | |
|   store double 1.100000e+00, double* @x, align 8
 | |
|   br label %2
 | |
| 
 | |
| ; <label>:1                                       ; preds = %2
 | |
|   %.lcssa = phi double [ %4, %2 ]
 | |
|   store double %.lcssa, double* @y, align 8
 | |
|   ret void
 | |
| 
 | |
| ; <label>:2                                       ; preds = %2, %0
 | |
|   %3 = phi double [ 1.100000e+00, %0 ], [ %4, %2 ]
 | |
|   %i.01 = phi i32 [ 0, %0 ], [ %5, %2 ]
 | |
|   %4 = fmul double %3, 1.100000e+00
 | |
|   %5 = add nuw nsw i32 %i.01, 1
 | |
|   %exitcond = icmp eq i32 %5, 75
 | |
|   br i1 %exitcond, label %1, label %2
 | |
|   ; CHECK: bl __muldf3
 | |
|   ; CHECK: cmplwi
 | |
|   ; CHECK-NOT: li [[REG1:[0-9]+]], 175
 | |
|   ; CHECK-NOT: mtctr [[REG1]]
 | |
| }
 | |
| 
 | |
| define void @foo4() #0 {
 | |
|   store double 1.100000e+00, double* @y, align 8
 | |
|   store double 1.100000e+00, double* @x, align 8
 | |
|   br label %2
 | |
| 
 | |
| ; <label>:1                                       ; preds = %2
 | |
|   %.lcssa = phi double [ %4, %2 ]
 | |
|   store double %.lcssa, double* @y, align 8
 | |
|   ret void
 | |
| 
 | |
| ; <label>:2                                       ; preds = %2, %0
 | |
|   %3 = phi double [ 1.100000e+00, %0 ], [ %4, %2 ]
 | |
|   %i.01 = phi i32 [ 0, %0 ], [ %5, %2 ]
 | |
|   %4 = fdiv double 1.100000e+00, %3
 | |
|   %5 = add nuw nsw i32 %i.01, 1
 | |
|   %exitcond = icmp eq i32 %5, 75
 | |
|   br i1 %exitcond, label %1, label %2
 | |
|   ; CHECK: bl __divdf3
 | |
|   ; CHECK: cmplwi
 | |
|   ; CHECK-NOT: li [[REG1:[0-9]+]], 175
 | |
|   ; CHECK-NOT: mtctr [[REG1]]
 | |
| }
 | |
| 
 | |
| attributes #0 = { "use-soft-float"="true" }
 | |
| 
 |