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llvm-mirror/test/Transforms/IndVarSimplify/pr25060.ll
Eric Christopher a62270de2c Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
2019-04-17 04:52:47 +00:00

38 lines
832 B
LLVM

; RUN: opt -S -indvars < %s | FileCheck %s
define i16 @fn1() {
; CHECK-LABEL: @fn1(
entry:
br label %bb1
bb1:
%i = phi i16 [ 0, %entry ], [ 1, %bb1 ]
%storemerge = phi i16 [ %storemerge2, %bb1 ], [ 0, %entry ]
%storemerge2 = phi i16 [ 10, %entry ], [ 200, %bb1 ]
%tmp10 = icmp eq i16 %i, 1
br i1 %tmp10, label %bb5, label %bb1
bb5:
%storemerge.lcssa = phi i16 [ %storemerge, %bb1 ]
; CHECK: ret i16 10
ret i16 %storemerge.lcssa
}
define i16 @fn2() {
; CHECK-LABEL: @fn2(
entry:
br label %bb1
bb1:
%canary = phi i16 [ 0, %entry ], [ %canary.inc, %bb1 ]
%i = phi i16 [ 0, %entry ], [ %storemerge, %bb1 ]
%storemerge = phi i16 [ 0, %bb1 ], [ 10, %entry ]
%canary.inc = add i16 %canary, 1
%_tmp10 = icmp eq i16 %i, 10
br i1 %_tmp10, label %bb5, label %bb1
bb5:
; CHECK: ret i16 1
ret i16 %canary
}