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1; RUN: opt < %s -basicaa -globals-aa -gvn -S | FileCheck %s
2
3; This test requires the use of previous analyses to determine that
4; doesnotmodX does not modify X (because 'sin' doesn't).
5
6@X = internal global i32 4		; <i32*> [#uses=2]
7
8declare double @sin(double) readnone
9
10define i32 @test(i32* %P) {
11; CHECK:      @test
12; CHECK-NEXT: store i32 12, i32* @X
13; CHECK-NEXT: call double @doesnotmodX(double 1.000000e+00)
14; CHECK-NEXT: ret i32 12
15	store i32 12, i32* @X
16	call double @doesnotmodX( double 1.000000e+00 )		; <double>:1 [#uses=0]
17	%V = load i32, i32* @X		; <i32> [#uses=1]
18	ret i32 %V
19}
20
21define double @doesnotmodX(double %V) {
22	%V2 = call double @sin( double %V ) readnone		; <double> [#uses=1]
23	ret double %V2
24}
25