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; RUN: opt < %s -S -early-cse | FileCheck %s
; CHECK: @test1
define void @test1(i8 %V, i32 *%P) {
%A = bitcast i64 42 to double ;; dead
%B = add i32 4, 19 ;; constant folds
store i32 %B, i32* %P
; CHECK-NEXT: store i32 23, i32* %P
%C = zext i8 %V to i32
%D = zext i8 %V to i32 ;; CSE
volatile store i32 %C, i32* %P
volatile store i32 %D, i32* %P
; CHECK-NEXT: %C = zext i8 %V to i32
; CHECK-NEXT: volatile store i32 %C
; CHECK-NEXT: volatile store i32 %C
%E = add i32 %C, %C
%F = add i32 %C, %C
volatile store i32 %E, i32* %P
volatile store i32 %F, i32* %P
; CHECK-NEXT: %E = add i32 %C, %C
; CHECK-NEXT: volatile store i32 %E
; CHECK-NEXT: volatile store i32 %E
%G = add nuw i32 %C, %C ;; not a CSE with E
volatile store i32 %G, i32* %P
; CHECK-NEXT: %G = add nuw i32 %C, %C
; CHECK-NEXT: volatile store i32 %G
ret void
}
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