[LoopUnroll] Make some tests more robust (NFC)
Replace branch on undef by branch on unknown condition.
GitOrigin-RevId: fe9a5a806e83063d0a39cefded39ab40c8e546ba
diff --git a/test/Transforms/LoopUnroll/pr31718.ll b/test/Transforms/LoopUnroll/pr31718.ll
index 014ef7e..a06e67a 100644
--- a/test/Transforms/LoopUnroll/pr31718.ll
+++ b/test/Transforms/LoopUnroll/pr31718.ll
@@ -13,7 +13,7 @@
; CHECK: {{.*}} = phi i32 [ %d.0, %h3.1 ]
; CHECK: br label %exit
-define void @main() local_unnamed_addr #0 {
+define void @main(i1 %c) local_unnamed_addr #0 {
ph1:
br label %h1
@@ -29,7 +29,7 @@
br label %h3
h3:
- br i1 undef, label %latch3, label %exit
+ br i1 %c, label %latch3, label %exit
latch3:
br i1 false, label %exit3, label %h3
@@ -43,7 +43,7 @@
br i1 %cmp, label %h2, label %exit2
exit2:
- br i1 undef, label %latch1, label %ph2
+ br i1 %c, label %latch1, label %ph2
latch1: ; preds = %exit2
%1 = load i32, i32* @b, align 4
diff --git a/test/Transforms/LoopUnroll/runtime-li.ll b/test/Transforms/LoopUnroll/runtime-li.ll
index a4a9b92..cc71504 100644
--- a/test/Transforms/LoopUnroll/runtime-li.ll
+++ b/test/Transforms/LoopUnroll/runtime-li.ll
@@ -8,7 +8,7 @@
; CHECK: remark: {{.*}}: unrolled loop by a factor of 2 with run-time trip count
; CHECK: @widget
; CHECK: ret void
-define void @widget(double* %arg, double* %arg1, double* %p, i64* %q1, i64* %q2) local_unnamed_addr {
+define void @widget(double* %arg, double* %arg1, double* %p, i64* %q1, i64* %q2, i1 %c) local_unnamed_addr {
entry:
br label %header.outer
@@ -19,10 +19,10 @@
header.inner: ; preds = %latch.inner, %header.outer
%tmp5 = load i64, i64* %q1, align 8
%tmp6 = icmp eq double* %p, %arg
- br i1 undef, label %exiting.inner, label %latch.outer
+ br i1 %c, label %exiting.inner, label %latch.outer
exiting.inner: ; preds = %latch.inner, %header.outer
- br i1 undef, label %latch.inner, label %latch.outer
+ br i1 %c, label %latch.inner, label %latch.outer
latch.inner: ; preds = %header.inner
store i64 %tmp5, i64* %q2, align 8
diff --git a/test/Transforms/LoopUnroll/runtime-loop-multiexit-dom-verify.ll b/test/Transforms/LoopUnroll/runtime-loop-multiexit-dom-verify.ll
index d354d68..5b8e5ef 100644
--- a/test/Transforms/LoopUnroll/runtime-loop-multiexit-dom-verify.ll
+++ b/test/Transforms/LoopUnroll/runtime-loop-multiexit-dom-verify.ll
@@ -174,7 +174,7 @@
; exit block (%exitB) has an exiting block and another exit block as predecessors.
; exiting block comes from inner loop.
-define void @test5() {
+define void @test5(i1 %c) {
; CHECK-LABEL: test5
; CHECK-LABEL: bb1:
; CHECK-NEXT: br i1 false, label %outerH.prol.preheader, label %outerH.prol.loopexit
@@ -198,10 +198,10 @@
br label %innerH
innerH: ; preds = %innerLatch, %outerH
- br i1 undef, label %innerexiting, label %otherexitB
+ br i1 %c, label %innerexiting, label %otherexitB
innerexiting: ; preds = %innerH
- br i1 undef, label %innerLatch, label %exitB
+ br i1 %c, label %innerLatch, label %exitB
innerLatch: ; preds = %innerexiting
%tmp13 = fcmp olt double undef, 2.000000e+00
@@ -225,7 +225,7 @@
; Blocks reachable from exits (not_zero44) have the IDom as the block within the loop (Header).
; Update the IDom to the preheader.
-define void @test6() {
+define void @test6(i1 %c) {
; CHECK-LABEL: test6
; CHECK-LABEL: header.prol.preheader:
; CHECK-NEXT: br label %header.prol
@@ -234,7 +234,7 @@
; CHECK-NEXT: %indvars.iv.prol = phi i64 [ undef, %header.prol.preheader ], [ %indvars.iv.next.prol, %latch.prol ]
; CHECK-NEXT: %prol.iter = phi i64 [ %xtraiter, %header.prol.preheader ], [ %prol.iter.sub, %latch.prol ]
-; CHECK-NEXT: br i1 false, label %latch.prol, label %otherexit.loopexit1
+; CHECK-NEXT: br i1 %c, label %latch.prol, label %otherexit.loopexit1
; CHECK-LABEL: header.prol.loopexit.unr-lcssa:
; CHECK-NEXT: %indvars.iv.unr.ph = phi i64 [ %indvars.iv.next.prol, %latch.prol ]
@@ -252,7 +252,7 @@
header: ; preds = %latch, %entry
%indvars.iv = phi i64 [ undef, %entry ], [ %indvars.iv.next, %latch ]
- br i1 undef, label %latch, label %otherexit
+ br i1 %c, label %latch, label %otherexit
latch: ; preds = %header
%indvars.iv.next = add nsw i64 %indvars.iv, 2
