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1; RUN: opt < %s -aa-pipeline=basic-aa,globals-aa -passes='require<globals-aa>,gvn' -S | FileCheck %s2 3; This test requires the use of previous analyses to determine that4; doesnotmodX does not modify X (because 'sin' doesn't).5 6@X = internal global i32 4 ; <ptr> [#uses=2]7 8declare double @sin(double) readnone9 10define i32 @test(ptr %P) {11; CHECK: @test12; CHECK-NEXT: store i32 12, ptr @X13; CHECK-NEXT: call double @doesnotmodX(double 1.000000e+00)14; CHECK-NEXT: ret i32 1215 store i32 12, ptr @X16 call double @doesnotmodX( double 1.000000e+00 ) ; <double>:1 [#uses=0]17 %V = load i32, ptr @X ; <i32> [#uses=1]18 ret i32 %V19}20 21define double @doesnotmodX(double %V) {22 %V2 = call double @sin( double %V ) readnone ; <double> [#uses=1]23 ret double %V224}25