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llvm-mirror/test/Transforms/SimplifyCFG/branch-fold-test.ll
2009-09-08 22:34:10 +00:00

18 lines
498 B
LLVM

; This test ensures that the simplifycfg pass continues to constant fold
; terminator instructions.
; RUN: opt < %s -simplifycfg -S | not grep br
define i32 @test(i32 %A, i32 %B) {
J:
%C = add i32 %A, 12 ; <i32> [#uses=2]
br i1 true, label %L, label %K
L: ; preds = %J
%D = add i32 %C, %B ; <i32> [#uses=1]
ret i32 %D
K: ; preds = %J
%E = add i32 %C, %B ; <i32> [#uses=1]
ret i32 %E
}