1
0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-24 03:33:20 +01:00
llvm-mirror/test/Transforms/IndVarSimplify/pr40454.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

63 lines
1.9 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -indvars < %s | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @test() {
; CHECK-LABEL: @test(
; CHECK-NEXT: bb:
; CHECK-NEXT: br label [[BB2:%.*]]
; CHECK: bb1:
; CHECK-NEXT: br label [[BB2]]
; CHECK: bb2:
; CHECK-NEXT: [[TMP:%.*]] = phi i32 [ -9, [[BB:%.*]] ], [ [[TMP6:%.*]], [[BB1:%.*]] ]
; CHECK-NEXT: br label [[BB3:%.*]]
; CHECK: bb3:
; CHECK-NEXT: [[TMP4:%.*]] = phi i32 [ -9, [[BB2]] ], [ [[TMP6]], [[BB10:%.*]] ]
; CHECK-NEXT: br i1 false, label [[BB5:%.*]], label [[BB12:%.*]]
; CHECK: bb5:
; CHECK-NEXT: [[TMP6]] = add nsw i32 [[TMP4]], -1
; CHECK-NEXT: br i1 undef, label [[BB8:%.*]], label [[BB9:%.*]]
; CHECK: bb8:
; CHECK-NEXT: br label [[BB10]]
; CHECK: bb9:
; CHECK-NEXT: br label [[BB10]]
; CHECK: bb10:
; CHECK-NEXT: br label [[BB3]]
; CHECK: bb12:
; CHECK-NEXT: ret void
;
bb:
br label %bb2
bb1: ; No predecessors!
br label %bb2
bb2: ; preds = %bb1, %bb
%tmp = phi i32 [ -9, %bb ], [ %tmp6, %bb1 ]
br label %bb3
bb3: ; preds = %bb10, %bb2
%tmp4 = phi i32 [ -9, %bb2 ], [ %tmp6, %bb10 ]
br i1 undef, label %bb5, label %bb12
bb5: ; preds = %bb3
%tmp6 = add i32 %tmp4, -1
%tmp7 = zext i32 %tmp6 to i64
br i1 undef, label %bb8, label %bb9
bb8: ; preds = %bb5
br label %bb10
bb9: ; preds = %bb5
br label %bb10
bb10: ; preds = %bb9, %bb8
%tmp11 = and i64 undef, %tmp7
br label %bb3
bb12: ; preds = %bb3
ret void
}