[llvm] 9e2a99e - [LoopUnroll] Precommit test for PR459393.
Florian Hahn via llvm-commits
llvm-commits at lists.llvm.org
Sun May 17 05:30:01 PDT 2020
Author: Florian Hahn
Date: 2020-05-17T13:29:36+01:00
New Revision: 9e2a99e5b7dedf982ee584dc90a86e080a7fc80f
URL: https://github.com/llvm/llvm-project/commit/9e2a99e5b7dedf982ee584dc90a86e080a7fc80f
DIFF: https://github.com/llvm/llvm-project/commit/9e2a99e5b7dedf982ee584dc90a86e080a7fc80f.diff
LOG: [LoopUnroll] Precommit test for PR459393.
Added:
llvm/test/Transforms/LoopUnroll/pr45939-peel-count-and-complete-unroll.ll
Modified:
Removed:
################################################################################
diff --git a/llvm/test/Transforms/LoopUnroll/pr45939-peel-count-and-complete-unroll.ll b/llvm/test/Transforms/LoopUnroll/pr45939-peel-count-and-complete-unroll.ll
new file mode 100644
index 000000000000..633a2d24baf9
--- /dev/null
+++ b/llvm/test/Transforms/LoopUnroll/pr45939-peel-count-and-complete-unroll.ll
@@ -0,0 +1,229 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt -loop-unroll -unroll-peel-count=2 -S %s | FileCheck --check-prefix=PEEL2 %s
+; RUN: opt -loop-unroll -unroll-peel-count=8 -S %s | FileCheck --check-prefix=PEEL8 %s
+; RUN: opt -loop-unroll -unroll-peel-count=2 -unroll-count=2 -S %s | FileCheck --check-prefix=PEEL2UNROLL2 %s
+
+; Test case for PR45939. Make sure unroll count is adjusted when loop is peeled and unrolled.
+
+ at a = global [8 x i32] zeroinitializer, align 16
+
+define void @test1() {
+; PEEL2-LABEL: @test1(
+; PEEL2-NEXT: entry:
+; PEEL2-NEXT: br label [[FOR_BODY_PEEL_BEGIN:%.*]]
+; PEEL2: for.body.peel.begin:
+; PEEL2-NEXT: br label [[FOR_BODY_PEEL:%.*]]
+; PEEL2: for.body.peel:
+; PEEL2-NEXT: [[ARRAYIDX_PEEL:%.*]] = getelementptr inbounds [8 x i32], [8 x i32]* @a, i64 0, i64 0
+; PEEL2-NEXT: [[TMP0:%.*]] = trunc i64 0 to i32
+; PEEL2-NEXT: store i32 [[TMP0]], i32* [[ARRAYIDX_PEEL]], align 4
+; PEEL2-NEXT: [[INDVARS_IV_NEXT_PEEL:%.*]] = add nuw nsw i64 0, 1
+; PEEL2-NEXT: [[EXITCOND_PEEL:%.*]] = icmp ne i64 [[INDVARS_IV_NEXT_PEEL]], 8
+; PEEL2-NEXT: br i1 [[EXITCOND_PEEL]], label [[FOR_BODY_PEEL_NEXT:%.*]], label [[FOR_EXIT:%.*]]
+; PEEL2: for.body.peel.next:
+; PEEL2-NEXT: br label [[FOR_BODY_PEEL2:%.*]]
+; PEEL2: for.body.peel2:
+; PEEL2-NEXT: [[ARRAYIDX_PEEL3:%.*]] = getelementptr inbounds [8 x i32], [8 x i32]* @a, i64 0, i64 [[INDVARS_IV_NEXT_PEEL]]
+; PEEL2-NEXT: [[TMP1:%.*]] = trunc i64 [[INDVARS_IV_NEXT_PEEL]] to i32
+; PEEL2-NEXT: store i32 [[TMP1]], i32* [[ARRAYIDX_PEEL3]], align 4
+; PEEL2-NEXT: [[INDVARS_IV_NEXT_PEEL4:%.*]] = add nuw nsw i64 [[INDVARS_IV_NEXT_PEEL]], 1
+; PEEL2-NEXT: [[EXITCOND_PEEL5:%.*]] = icmp ne i64 [[INDVARS_IV_NEXT_PEEL4]], 8
+; PEEL2-NEXT: br i1 [[EXITCOND_PEEL5]], label [[FOR_BODY_PEEL_NEXT1:%.*]], label [[FOR_EXIT]]
+; PEEL2: for.body.peel.next1:
+; PEEL2-NEXT: br label [[FOR_BODY_PEEL_NEXT6:%.*]]
+; PEEL2: for.body.peel.next6:
+; PEEL2-NEXT: br label [[ENTRY_PEEL_NEWPH:%.*]]
+; PEEL2: entry.peel.newph:
+; PEEL2-NEXT: br label [[FOR_BODY:%.*]]
+; PEEL2: for.body:
+; PEEL2-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [8 x i32], [8 x i32]* @a, i64 0, i64 [[INDVARS_IV_NEXT_PEEL4]]
+; PEEL2-NEXT: [[TMP2:%.*]] = trunc i64 [[INDVARS_IV_NEXT_PEEL4]] to i32
+; PEEL2-NEXT: store i32 [[TMP2]], i32* [[ARRAYIDX]], align 4
+; PEEL2-NEXT: store i32 3, i32* getelementptr inbounds ([8 x i32], [8 x i32]* @a, i64 0, i64 3), align 4
+; PEEL2-NEXT: store i32 4, i32* getelementptr inbounds ([8 x i32], [8 x i32]* @a, i64 0, i64 4), align 4
+; PEEL2-NEXT: store i32 5, i32* getelementptr inbounds ([8 x i32], [8 x i32]* @a, i64 0, i64 5), align 4
+; PEEL2-NEXT: store i32 6, i32* getelementptr inbounds ([8 x i32], [8 x i32]* @a, i64 0, i64 6), align 4
+; PEEL2-NEXT: store i32 7, i32* getelementptr inbounds ([8 x i32], [8 x i32]* @a, i64 0, i64 7), align 4
+; PEEL2-NEXT: store i32 8, i32* getelementptr inbounds ([8 x i32], [8 x i32]* @a, i64 1, i64 0), align 4
+; PEEL2-NEXT: store i32 9, i32* getelementptr ([8 x i32], [8 x i32]* @a, i64 1, i64 1), align 4
+; PEEL2-NEXT: br label [[FOR_EXIT]]
+; PEEL2: for.exit:
+; PEEL2-NEXT: ret void
+;
+; PEEL8-LABEL: @test1(
+; PEEL8-NEXT: entry:
+; PEEL8-NEXT: br label [[FOR_BODY_PEEL_BEGIN:%.*]]
+; PEEL8: for.body.peel.begin:
+; PEEL8-NEXT: br label [[FOR_BODY_PEEL:%.*]]
+; PEEL8: for.body.peel:
+; PEEL8-NEXT: [[ARRAYIDX_PEEL:%.*]] = getelementptr inbounds [8 x i32], [8 x i32]* @a, i64 0, i64 0
+; PEEL8-NEXT: [[TMP0:%.*]] = trunc i64 0 to i32
+; PEEL8-NEXT: store i32 [[TMP0]], i32* [[ARRAYIDX_PEEL]], align 4
+; PEEL8-NEXT: [[INDVARS_IV_NEXT_PEEL:%.*]] = add nuw nsw i64 0, 1
+; PEEL8-NEXT: [[EXITCOND_PEEL:%.*]] = icmp ne i64 [[INDVARS_IV_NEXT_PEEL]], 8
+; PEEL8-NEXT: br i1 [[EXITCOND_PEEL]], label [[FOR_BODY_PEEL_NEXT:%.*]], label [[FOR_EXIT:%.*]]
+; PEEL8: for.body.peel.next:
+; PEEL8-NEXT: br label [[FOR_BODY_PEEL2:%.*]]
+; PEEL8: for.body.peel2:
+; PEEL8-NEXT: [[ARRAYIDX_PEEL3:%.*]] = getelementptr inbounds [8 x i32], [8 x i32]* @a, i64 0, i64 [[INDVARS_IV_NEXT_PEEL]]
+; PEEL8-NEXT: [[TMP1:%.*]] = trunc i64 [[INDVARS_IV_NEXT_PEEL]] to i32
+; PEEL8-NEXT: store i32 [[TMP1]], i32* [[ARRAYIDX_PEEL3]], align 4
+; PEEL8-NEXT: [[INDVARS_IV_NEXT_PEEL4:%.*]] = add nuw nsw i64 [[INDVARS_IV_NEXT_PEEL]], 1
+; PEEL8-NEXT: [[EXITCOND_PEEL5:%.*]] = icmp ne i64 [[INDVARS_IV_NEXT_PEEL4]], 8
+; PEEL8-NEXT: br i1 [[EXITCOND_PEEL5]], label [[FOR_BODY_PEEL_NEXT1:%.*]], label [[FOR_EXIT]]
+; PEEL8: for.body.peel.next1:
+; PEEL8-NEXT: br label [[FOR_BODY_PEEL7:%.*]]
+; PEEL8: for.body.peel7:
+; PEEL8-NEXT: [[ARRAYIDX_PEEL8:%.*]] = getelementptr inbounds [8 x i32], [8 x i32]* @a, i64 0, i64 [[INDVARS_IV_NEXT_PEEL4]]
+; PEEL8-NEXT: [[TMP2:%.*]] = trunc i64 [[INDVARS_IV_NEXT_PEEL4]] to i32
+; PEEL8-NEXT: store i32 [[TMP2]], i32* [[ARRAYIDX_PEEL8]], align 4
+; PEEL8-NEXT: [[INDVARS_IV_NEXT_PEEL9:%.*]] = add nuw nsw i64 [[INDVARS_IV_NEXT_PEEL4]], 1
+; PEEL8-NEXT: [[EXITCOND_PEEL10:%.*]] = icmp ne i64 [[INDVARS_IV_NEXT_PEEL9]], 8
+; PEEL8-NEXT: br i1 [[EXITCOND_PEEL10]], label [[FOR_BODY_PEEL_NEXT6:%.*]], label [[FOR_EXIT]]
+; PEEL8: for.body.peel.next6:
+; PEEL8-NEXT: br label [[FOR_BODY_PEEL12:%.*]]
+; PEEL8: for.body.peel12:
+; PEEL8-NEXT: [[ARRAYIDX_PEEL13:%.*]] = getelementptr inbounds [8 x i32], [8 x i32]* @a, i64 0, i64 [[INDVARS_IV_NEXT_PEEL9]]
+; PEEL8-NEXT: [[TMP3:%.*]] = trunc i64 [[INDVARS_IV_NEXT_PEEL9]] to i32
+; PEEL8-NEXT: store i32 [[TMP3]], i32* [[ARRAYIDX_PEEL13]], align 4
+; PEEL8-NEXT: [[INDVARS_IV_NEXT_PEEL14:%.*]] = add nuw nsw i64 [[INDVARS_IV_NEXT_PEEL9]], 1
+; PEEL8-NEXT: [[EXITCOND_PEEL15:%.*]] = icmp ne i64 [[INDVARS_IV_NEXT_PEEL14]], 8
+; PEEL8-NEXT: br i1 [[EXITCOND_PEEL15]], label [[FOR_BODY_PEEL_NEXT11:%.*]], label [[FOR_EXIT]]
+; PEEL8: for.body.peel.next11:
+; PEEL8-NEXT: br label [[FOR_BODY_PEEL17:%.*]]
+; PEEL8: for.body.peel17:
+; PEEL8-NEXT: [[ARRAYIDX_PEEL18:%.*]] = getelementptr inbounds [8 x i32], [8 x i32]* @a, i64 0, i64 [[INDVARS_IV_NEXT_PEEL14]]
+; PEEL8-NEXT: [[TMP4:%.*]] = trunc i64 [[INDVARS_IV_NEXT_PEEL14]] to i32
+; PEEL8-NEXT: store i32 [[TMP4]], i32* [[ARRAYIDX_PEEL18]], align 4
+; PEEL8-NEXT: [[INDVARS_IV_NEXT_PEEL19:%.*]] = add nuw nsw i64 [[INDVARS_IV_NEXT_PEEL14]], 1
+; PEEL8-NEXT: [[EXITCOND_PEEL20:%.*]] = icmp ne i64 [[INDVARS_IV_NEXT_PEEL19]], 8
+; PEEL8-NEXT: br i1 [[EXITCOND_PEEL20]], label [[FOR_BODY_PEEL_NEXT16:%.*]], label [[FOR_EXIT]]
+; PEEL8: for.body.peel.next16:
+; PEEL8-NEXT: br label [[FOR_BODY_PEEL22:%.*]]
+; PEEL8: for.body.peel22:
+; PEEL8-NEXT: [[ARRAYIDX_PEEL23:%.*]] = getelementptr inbounds [8 x i32], [8 x i32]* @a, i64 0, i64 [[INDVARS_IV_NEXT_PEEL19]]
+; PEEL8-NEXT: [[TMP5:%.*]] = trunc i64 [[INDVARS_IV_NEXT_PEEL19]] to i32
+; PEEL8-NEXT: store i32 [[TMP5]], i32* [[ARRAYIDX_PEEL23]], align 4
+; PEEL8-NEXT: [[INDVARS_IV_NEXT_PEEL24:%.*]] = add nuw nsw i64 [[INDVARS_IV_NEXT_PEEL19]], 1
+; PEEL8-NEXT: [[EXITCOND_PEEL25:%.*]] = icmp ne i64 [[INDVARS_IV_NEXT_PEEL24]], 8
+; PEEL8-NEXT: br i1 [[EXITCOND_PEEL25]], label [[FOR_BODY_PEEL_NEXT21:%.*]], label [[FOR_EXIT]]
+; PEEL8: for.body.peel.next21:
+; PEEL8-NEXT: br label [[FOR_BODY_PEEL27:%.*]]
+; PEEL8: for.body.peel27:
+; PEEL8-NEXT: [[ARRAYIDX_PEEL28:%.*]] = getelementptr inbounds [8 x i32], [8 x i32]* @a, i64 0, i64 [[INDVARS_IV_NEXT_PEEL24]]
+; PEEL8-NEXT: [[TMP6:%.*]] = trunc i64 [[INDVARS_IV_NEXT_PEEL24]] to i32
+; PEEL8-NEXT: store i32 [[TMP6]], i32* [[ARRAYIDX_PEEL28]], align 4
+; PEEL8-NEXT: [[INDVARS_IV_NEXT_PEEL29:%.*]] = add nuw nsw i64 [[INDVARS_IV_NEXT_PEEL24]], 1
+; PEEL8-NEXT: [[EXITCOND_PEEL30:%.*]] = icmp ne i64 [[INDVARS_IV_NEXT_PEEL29]], 8
+; PEEL8-NEXT: br i1 [[EXITCOND_PEEL30]], label [[FOR_BODY_PEEL_NEXT26:%.*]], label [[FOR_EXIT]]
+; PEEL8: for.body.peel.next26:
+; PEEL8-NEXT: br label [[FOR_BODY_PEEL32:%.*]]
+; PEEL8: for.body.peel32:
+; PEEL8-NEXT: [[ARRAYIDX_PEEL33:%.*]] = getelementptr inbounds [8 x i32], [8 x i32]* @a, i64 0, i64 [[INDVARS_IV_NEXT_PEEL29]]
+; PEEL8-NEXT: [[TMP7:%.*]] = trunc i64 [[INDVARS_IV_NEXT_PEEL29]] to i32
+; PEEL8-NEXT: store i32 [[TMP7]], i32* [[ARRAYIDX_PEEL33]], align 4
+; PEEL8-NEXT: [[INDVARS_IV_NEXT_PEEL34:%.*]] = add nuw nsw i64 [[INDVARS_IV_NEXT_PEEL29]], 1
+; PEEL8-NEXT: [[EXITCOND_PEEL35:%.*]] = icmp ne i64 [[INDVARS_IV_NEXT_PEEL34]], 8
+; PEEL8-NEXT: br i1 [[EXITCOND_PEEL35]], label [[FOR_BODY_PEEL_NEXT31:%.*]], label [[FOR_EXIT]]
+; PEEL8: for.body.peel.next31:
+; PEEL8-NEXT: br label [[FOR_BODY_PEEL_NEXT36:%.*]]
+; PEEL8: for.body.peel.next36:
+; PEEL8-NEXT: br label [[ENTRY_PEEL_NEWPH:%.*]]
+; PEEL8: entry.peel.newph:
+; PEEL8-NEXT: br label [[FOR_BODY:%.*]]
+; PEEL8: for.body:
+; PEEL8-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [8 x i32], [8 x i32]* @a, i64 0, i64 [[INDVARS_IV_NEXT_PEEL34]]
+; PEEL8-NEXT: [[TMP8:%.*]] = trunc i64 [[INDVARS_IV_NEXT_PEEL34]] to i32
+; PEEL8-NEXT: store i32 [[TMP8]], i32* [[ARRAYIDX]], align 4
+; PEEL8-NEXT: [[INDVARS_IV_NEXT:%.*]] = add nuw nsw i64 [[INDVARS_IV_NEXT_PEEL34]], 1
+; PEEL8-NEXT: [[ARRAYIDX_1:%.*]] = getelementptr inbounds [8 x i32], [8 x i32]* @a, i64 0, i64 [[INDVARS_IV_NEXT]]
+; PEEL8-NEXT: [[TMP9:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
+; PEEL8-NEXT: store i32 [[TMP9]], i32* [[ARRAYIDX_1]], align 4
+; PEEL8-NEXT: [[INDVARS_IV_NEXT_1:%.*]] = add nuw nsw i64 [[INDVARS_IV_NEXT]], 1
+; PEEL8-NEXT: [[ARRAYIDX_2:%.*]] = getelementptr inbounds [8 x i32], [8 x i32]* @a, i64 0, i64 [[INDVARS_IV_NEXT_1]]
+; PEEL8-NEXT: [[TMP10:%.*]] = trunc i64 [[INDVARS_IV_NEXT_1]] to i32
+; PEEL8-NEXT: store i32 [[TMP10]], i32* [[ARRAYIDX_2]], align 4
+; PEEL8-NEXT: [[INDVARS_IV_NEXT_2:%.*]] = add nuw nsw i64 [[INDVARS_IV_NEXT_1]], 1
+; PEEL8-NEXT: [[ARRAYIDX_3:%.*]] = getelementptr inbounds [8 x i32], [8 x i32]* @a, i64 0, i64 [[INDVARS_IV_NEXT_2]]
+; PEEL8-NEXT: [[TMP11:%.*]] = trunc i64 [[INDVARS_IV_NEXT_2]] to i32
+; PEEL8-NEXT: store i32 [[TMP11]], i32* [[ARRAYIDX_3]], align 4
+; PEEL8-NEXT: [[INDVARS_IV_NEXT_3:%.*]] = add nuw nsw i64 [[INDVARS_IV_NEXT_2]], 1
+; PEEL8-NEXT: [[ARRAYIDX_4:%.*]] = getelementptr inbounds [8 x i32], [8 x i32]* @a, i64 0, i64 [[INDVARS_IV_NEXT_3]]
+; PEEL8-NEXT: [[TMP12:%.*]] = trunc i64 [[INDVARS_IV_NEXT_3]] to i32
+; PEEL8-NEXT: store i32 [[TMP12]], i32* [[ARRAYIDX_4]], align 4
+; PEEL8-NEXT: [[INDVARS_IV_NEXT_4:%.*]] = add nuw nsw i64 [[INDVARS_IV_NEXT_3]], 1
+; PEEL8-NEXT: [[ARRAYIDX_5:%.*]] = getelementptr inbounds [8 x i32], [8 x i32]* @a, i64 0, i64 [[INDVARS_IV_NEXT_4]]
+; PEEL8-NEXT: [[TMP13:%.*]] = trunc i64 [[INDVARS_IV_NEXT_4]] to i32
+; PEEL8-NEXT: store i32 [[TMP13]], i32* [[ARRAYIDX_5]], align 4
+; PEEL8-NEXT: [[INDVARS_IV_NEXT_5:%.*]] = add nuw nsw i64 [[INDVARS_IV_NEXT_4]], 1
+; PEEL8-NEXT: [[ARRAYIDX_6:%.*]] = getelementptr inbounds [8 x i32], [8 x i32]* @a, i64 0, i64 [[INDVARS_IV_NEXT_5]]
+; PEEL8-NEXT: [[TMP14:%.*]] = trunc i64 [[INDVARS_IV_NEXT_5]] to i32
+; PEEL8-NEXT: store i32 [[TMP14]], i32* [[ARRAYIDX_6]], align 4
+; PEEL8-NEXT: [[INDVARS_IV_NEXT_6:%.*]] = add nuw nsw i64 [[INDVARS_IV_NEXT_5]], 1
+; PEEL8-NEXT: [[ARRAYIDX_7:%.*]] = getelementptr inbounds [8 x i32], [8 x i32]* @a, i64 0, i64 [[INDVARS_IV_NEXT_6]]
+; PEEL8-NEXT: [[TMP15:%.*]] = trunc i64 [[INDVARS_IV_NEXT_6]] to i32
+; PEEL8-NEXT: store i32 [[TMP15]], i32* [[ARRAYIDX_7]], align 4
+; PEEL8-NEXT: [[INDVARS_IV_NEXT_7:%.*]] = add nuw nsw i64 [[INDVARS_IV_NEXT_6]], 1
+; PEEL8-NEXT: br label [[FOR_EXIT]]
+; PEEL8: for.exit:
+; PEEL8-NEXT: ret void
+;
+; PEEL2UNROLL2-LABEL: @test1(
+; PEEL2UNROLL2-NEXT: entry:
+; PEEL2UNROLL2-NEXT: br label [[FOR_BODY_PEEL_BEGIN:%.*]]
+; PEEL2UNROLL2: for.body.peel.begin:
+; PEEL2UNROLL2-NEXT: br label [[FOR_BODY_PEEL:%.*]]
+; PEEL2UNROLL2: for.body.peel:
+; PEEL2UNROLL2-NEXT: [[ARRAYIDX_PEEL:%.*]] = getelementptr inbounds [8 x i32], [8 x i32]* @a, i64 0, i64 0
+; PEEL2UNROLL2-NEXT: [[TMP0:%.*]] = trunc i64 0 to i32
+; PEEL2UNROLL2-NEXT: store i32 [[TMP0]], i32* [[ARRAYIDX_PEEL]], align 4
+; PEEL2UNROLL2-NEXT: [[INDVARS_IV_NEXT_PEEL:%.*]] = add nuw nsw i64 0, 1
+; PEEL2UNROLL2-NEXT: [[EXITCOND_PEEL:%.*]] = icmp ne i64 [[INDVARS_IV_NEXT_PEEL]], 8
+; PEEL2UNROLL2-NEXT: br i1 [[EXITCOND_PEEL]], label [[FOR_BODY_PEEL_NEXT:%.*]], label [[FOR_EXIT:%.*]]
+; PEEL2UNROLL2: for.body.peel.next:
+; PEEL2UNROLL2-NEXT: br label [[FOR_BODY_PEEL2:%.*]]
+; PEEL2UNROLL2: for.body.peel2:
+; PEEL2UNROLL2-NEXT: [[ARRAYIDX_PEEL3:%.*]] = getelementptr inbounds [8 x i32], [8 x i32]* @a, i64 0, i64 [[INDVARS_IV_NEXT_PEEL]]
+; PEEL2UNROLL2-NEXT: [[TMP1:%.*]] = trunc i64 [[INDVARS_IV_NEXT_PEEL]] to i32
+; PEEL2UNROLL2-NEXT: store i32 [[TMP1]], i32* [[ARRAYIDX_PEEL3]], align 4
+; PEEL2UNROLL2-NEXT: [[INDVARS_IV_NEXT_PEEL4:%.*]] = add nuw nsw i64 [[INDVARS_IV_NEXT_PEEL]], 1
+; PEEL2UNROLL2-NEXT: [[EXITCOND_PEEL5:%.*]] = icmp ne i64 [[INDVARS_IV_NEXT_PEEL4]], 8
+; PEEL2UNROLL2-NEXT: br i1 [[EXITCOND_PEEL5]], label [[FOR_BODY_PEEL_NEXT1:%.*]], label [[FOR_EXIT]]
+; PEEL2UNROLL2: for.body.peel.next1:
+; PEEL2UNROLL2-NEXT: br label [[FOR_BODY_PEEL_NEXT6:%.*]]
+; PEEL2UNROLL2: for.body.peel.next6:
+; PEEL2UNROLL2-NEXT: br label [[ENTRY_PEEL_NEWPH:%.*]]
+; PEEL2UNROLL2: entry.peel.newph:
+; PEEL2UNROLL2-NEXT: br label [[FOR_BODY:%.*]]
+; PEEL2UNROLL2: for.body:
+; PEEL2UNROLL2-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT_PEEL4]], [[ENTRY_PEEL_NEWPH]] ], [ [[INDVARS_IV_NEXT_1:%.*]], [[FOR_BODY]] ]
+; PEEL2UNROLL2-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [8 x i32], [8 x i32]* @a, i64 0, i64 [[INDVARS_IV]]
+; PEEL2UNROLL2-NEXT: [[TMP2:%.*]] = trunc i64 [[INDVARS_IV]] to i32
+; PEEL2UNROLL2-NEXT: store i32 [[TMP2]], i32* [[ARRAYIDX]], align 4
+; PEEL2UNROLL2-NEXT: [[INDVARS_IV_NEXT:%.*]] = add nuw nsw i64 [[INDVARS_IV]], 1
+; PEEL2UNROLL2-NEXT: [[ARRAYIDX_1:%.*]] = getelementptr inbounds [8 x i32], [8 x i32]* @a, i64 0, i64 [[INDVARS_IV_NEXT]]
+; PEEL2UNROLL2-NEXT: [[TMP3:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
+; PEEL2UNROLL2-NEXT: store i32 [[TMP3]], i32* [[ARRAYIDX_1]], align 4
+; PEEL2UNROLL2-NEXT: [[INDVARS_IV_NEXT_1]] = add nuw nsw i64 [[INDVARS_IV_NEXT]], 1
+; PEEL2UNROLL2-NEXT: [[EXITCOND_1:%.*]] = icmp ne i64 [[INDVARS_IV_NEXT_1]], 8
+; PEEL2UNROLL2-NEXT: br i1 [[EXITCOND_1]], label [[FOR_BODY]], label [[FOR_EXIT_LOOPEXIT:%.*]], !llvm.loop !0
+; PEEL2UNROLL2: for.exit.loopexit:
+; PEEL2UNROLL2-NEXT: br label [[FOR_EXIT]]
+; PEEL2UNROLL2: for.exit:
+; PEEL2UNROLL2-NEXT: ret void
+;
+entry:
+ br label %for.body
+
+for.body: ; preds = %entry, %for.body
+ %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
+ %arrayidx = getelementptr inbounds [8 x i32], [8 x i32]* @a, i64 0, i64 %indvars.iv
+ %0 = trunc i64 %indvars.iv to i32
+ store i32 %0, i32* %arrayidx, align 4
+ %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
+ %exitcond = icmp ne i64 %indvars.iv.next, 8
+ br i1 %exitcond, label %for.body, label %for.exit
+
+for.exit: ; preds = %for.body
+ ret void
+}
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