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1; RUN: opt -passes=instcombine -S < %s | FileCheck %s2 3; This shouldn't fold, because sin(inf) is invalid.4; CHECK-LABEL: @foo(5; CHECK: %t = call double @sin(double 0x7FF0000000000000)6define double @foo() {7 %t = call double @sin(double 0x7FF0000000000000)8 ret double %t9}10 11; This should fold.12; CHECK-LABEL: @bar(13; CHECK: ret double 0.014define double @bar() {15 %t = call double @sin(double 0.0)16 ret double %t17}18 19declare double @sin(double)20