mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-04 07:29:20 +00:00
f2f6ce65b7
input filename so that opt doesn't print the input filename in the output so that grep lines in the tests don't unintentionally match strings in the input filename. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
21 lines
574 B
LLVM
21 lines
574 B
LLVM
; The loop canonicalization pass should guarantee that there is one backedge
|
|
; for all loops. This allows the -indvars pass to recognize the %IV
|
|
; induction variable in this testcase.
|
|
|
|
; RUN: opt < %s -indvars -S | grep indvar
|
|
|
|
define i32 @test(i1 %C) {
|
|
; <label>:0
|
|
br label %Loop
|
|
Loop: ; preds = %BE2, %BE1, %0
|
|
%IV = phi i32 [ 1, %0 ], [ %IV2, %BE1 ], [ %IV2, %BE2 ] ; <i32> [#uses=2]
|
|
store i32 %IV, i32* null
|
|
%IV2 = add i32 %IV, 2 ; <i32> [#uses=2]
|
|
br i1 %C, label %BE1, label %BE2
|
|
BE1: ; preds = %Loop
|
|
br label %Loop
|
|
BE2: ; preds = %Loop
|
|
br label %Loop
|
|
}
|
|
|