emscripten-fastcomp/test/Bitcode/flags.ll at master · emscripten-core/emscripten-fastcomp · GitHub

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; RUN: llvm-as < %s | llvm-dis > %t0

; RUN: opt -S < %s > %t1

; RUN: diff %t0 %t1

; RUN: verify-uselistorder < %s

; PR6140

; Make sure the flags are serialized/deserialized properly for both

; forward and backward references.

define void @foo() nounwind {

entry:

br label %first

second: ; preds = %first

%u = add nuw i32 %a, 0 ; <i32> [#uses=0]

%s = add nsw i32 %a, 0 ; <i32> [#uses=0]

%us = add nuw nsw i32 %a, 0 ; <i32> [#uses=0]

%z = add i32 %a, 0 ; <i32> [#uses=0]

unreachable

first: ; preds = %entry

%a = bitcast i32 0 to i32 ; <i32> [#uses=8]

%uu = add nuw i32 %a, 0 ; <i32> [#uses=0]

%ss = add nsw i32 %a, 0 ; <i32> [#uses=0]

%uuss = add nuw nsw i32 %a, 0 ; <i32> [#uses=0]

%zz = add i32 %a, 0 ; <i32> [#uses=0]

br label %second

}

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