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Eric Christopher 598198edbc Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@358552 91177308-0d34-0410-b5e6-96231b3b80d8
2019-04-17 04:52:47 +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
}