-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function powi
; RUN: opt -instcombine -S < %s | FileCheck %s
declare double @llvm.powi.f64(double, i32) nounwind readonly
declare double @llvm.nearbyint.f64(double %Val) nounwind readonly
define void @powi(double %V, double *%P) {
- %A = tail call double @llvm.powi.f64(double %V, i32 -1) nounwind
+; CHECK-LABEL: @powi(
+; CHECK-NEXT: [[A:%.*]] = fdiv double 1.000000e+00, [[V:%.*]]
+; CHECK-NEXT: store volatile double [[A]], double* [[P:%.*]], align 8
+; CHECK-NEXT: [[D:%.*]] = fmul double [[V]], [[V]]
+; CHECK-NEXT: store volatile double [[D]], double* [[P]], align 8
+; CHECK-NEXT: ret void
+;
+ %A = tail call fast double @llvm.powi.f64(double %V, i32 -1) nounwind
store volatile double %A, double* %P
- %D = tail call double @llvm.powi.f64(double %V, i32 2) nounwind
+ %D = tail call nnan double @llvm.powi.f64(double %V, i32 2) nounwind
store volatile double %D, double* %P
ret void
-; CHECK-LABEL: @powi(
-; CHECK: %A = fdiv double 1.0{{.*}}, %V
-; CHECK: store volatile double %A,
-; CHECK: %D = fmul double %V, %V
-; CHECK: store volatile double %D
}
define i32 @cttz(i32 %a) {