Imported Upstream version 5.18.0.179

Former-commit-id: 67aa10e65b237e1c4537630979ee99ebe1374215

external/llvm/test/Transforms/InstCombine/pow-2.ll

@@ -0,0 +1,14 @@
+; Test that the pow library call simplifier works correctly.
+;
+; RUN: opt < %s -instcombine -S | FileCheck %s
+
+declare float @pow(double, double)
+
+; Check that pow functions with the wrong prototype aren't simplified.
+
+define float @test_no_simplify1(double %x) {
+; CHECK-LABEL: @test_no_simplify1(
+  %retval = call float @pow(double 1.0, double %x)
+; CHECK-NEXT: call float @pow(double 1.000000e+00, double %x)
+  ret float %retval
+}