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|
; 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" }
|
