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[InstCombine] adjust tests for pow(); NFC

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D68231 would change this, but the existing test
doesn't cover what was probably intended (a libcall test).
This commit is contained in:
Sanjay Patel 2020-05-01 08:23:34 -04:00
parent 02eef08385
commit b6fcffba6f
1 changed files with 15 additions and 8 deletions
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23
test/Transforms/InstCombine/pow-3.ll
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@ -1,13 +1,20 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; Test that the pow() won't get simplified to when it's disabled.
;
; RUN: opt < %s -disable-simplify-libcalls -instcombine -S | FileCheck %s
declare double @llvm.pow.f64(double, double)
declare double @pow(double, double)
define double @test_simplify_unavailable1(double %x) {
; CHECK-LABEL: @test_simplify_unavailable1(
define double @sqrt_libcall(double %x) {
; CHECK-LABEL: @sqrt_libcall(
; CHECK-NEXT: [[RETVAL:%.*]] = call double @pow(double [[X:%.*]], double 5.000000e-01)
; CHECK-NEXT: ret double [[RETVAL]]
;
%retval = call double @pow(double %x, double 0.5)
ret double %retval
}
define double @sqrt_intrinsic(double %x) {
; CHECK-LABEL: @sqrt_intrinsic(
; CHECK-NEXT: [[RETVAL:%.*]] = call double @llvm.pow.f64(double [[X:%.*]], double 5.000000e-01)
; CHECK-NEXT: ret double [[RETVAL]]
;
@ -17,8 +24,8 @@ define double @test_simplify_unavailable1(double %x) {
; Shrinking is disabled too.
define float @test_simplify_unavailable2(float %f, float %g) {
; CHECK-LABEL: @test_simplify_unavailable2(
define float @shrink_libcall(float %f, float %g) {
; CHECK-LABEL: @shrink_libcall(
; CHECK-NEXT: [[DF:%.*]] = fpext float [[F:%.*]] to double
; CHECK-NEXT: [[DG:%.*]] = fpext float [[G:%.*]] to double
; CHECK-NEXT: [[CALL:%.*]] = call fast double @pow(double [[DF]], double [[DG]])
@ -34,8 +41,8 @@ define float @test_simplify_unavailable2(float %f, float %g) {
; Shrinking is disabled for the intrinsic too.
define float @test_simplify_unavailable3(float %f, float %g) {
; CHECK-LABEL: @test_simplify_unavailable3(
define float @shrink_intrinsic(float %f, float %g) {
; CHECK-LABEL: @shrink_intrinsic(
; CHECK-NEXT: [[DF:%.*]] = fpext float [[F:%.*]] to double
; CHECK-NEXT: [[DG:%.*]] = fpext float [[G:%.*]] to double
; CHECK-NEXT: [[CALL:%.*]] = call fast double @llvm.pow.f64(double [[DF]], double [[DG]])