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