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1a182e2dac58879f215c0fad0f5f78c76dcafe56
TheRock/compiler/amd-llvm/llvm/test/Transforms/FixIrreducible/bug45623.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

202 lines
8.4 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -fix-irreducible --verify-loop-info -S | FileCheck %s
; RUN: opt < %s -passes='fix-irreducible,verify<loops>' -S | FileCheck %s
; RUN: opt < %s -passes='verify<loops>,fix-irreducible,verify<loops>' -S | FileCheck %s
define dso_local void @tre_tnfa_run_backtrack(i1 %arg) {
; CHECK-LABEL: @tre_tnfa_run_backtrack(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[ARG_INV:%.*]] = xor i1 [[ARG:%.*]], true
; CHECK-NEXT: br label [[RETRY:%.*]]
; CHECK: retry:
; CHECK-NEXT: br label [[IRR_GUARD:%.*]]
; CHECK: while.body248:
; CHECK-NEXT: br i1 [[ARG]], label [[IF_THEN250:%.*]], label [[IF_END275:%.*]]
; CHECK: if.then250:
; CHECK-NEXT: br label [[FOR_COND264:%.*]]
; CHECK: for.cond264:
; CHECK-NEXT: br i1 [[ARG]], label [[FOR_BODY267:%.*]], label [[BACKTRACK:%.*]]
; CHECK: for.body267:
; CHECK-NEXT: br label [[FOR_COND264]]
; CHECK: if.end275:
; CHECK-NEXT: br label [[FOR_COND342:%.*]]
; CHECK: for.cond342:
; CHECK-NEXT: br i1 [[ARG]], label [[FOR_BODY345:%.*]], label [[FOR_END580:%.*]]
; CHECK: for.body345:
; CHECK-NEXT: br label [[FOR_COND342]]
; CHECK: for.end580:
; CHECK-NEXT: br label [[BACKTRACK]]
; CHECK: backtrack:
; CHECK-NEXT: br i1 [[ARG]], label [[IF_THEN595:%.*]], label [[IF_ELSE629:%.*]]
; CHECK: if.then595:
; CHECK-NEXT: br label [[FOR_COND616:%.*]]
; CHECK: for.cond616:
; CHECK-NEXT: br i1 [[ARG]], label [[FOR_BODY619:%.*]], label [[FOR_END626:%.*]]
; CHECK: for.body619:
; CHECK-NEXT: br label [[FOR_COND616]]
; CHECK: for.end626:
; CHECK-NEXT: br label [[IRR_GUARD]]
; CHECK: if.else629:
; CHECK-NEXT: br label [[RETRY]]
; CHECK: irr.guard:
; CHECK-NEXT: [[GUARD_WHILE_BODY248:%.*]] = phi i1 [ true, [[FOR_END626]] ], [ [[ARG_INV]], [[RETRY]] ]
; CHECK-NEXT: br i1 [[GUARD_WHILE_BODY248]], label [[WHILE_BODY248:%.*]], label [[BACKTRACK]]
;
entry:
br label %retry
retry:
br i1 %arg, label %backtrack, label %while.body248
while.body248: ; preds = %for.end626, %retry
br i1 %arg, label %if.then250, label %if.end275
if.then250: ; preds = %while.body248
br label %for.cond264
for.cond264: ; preds = %for.body267, %if.then250
br i1 %arg, label %for.body267, label %backtrack
for.body267: ; preds = %for.cond264
br label %for.cond264
if.end275: ; preds = %while.body248
br label %for.cond342
for.cond342: ; preds = %for.body345, %if.end275
br i1 %arg, label %for.body345, label %for.end580
for.body345: ; preds = %for.cond342
br label %for.cond342
for.end580: ; preds = %for.cond342
br label %backtrack
backtrack: ; preds = %for.end580, %for.cond264, %retry
br i1 %arg, label %if.then595, label %if.else629
if.then595: ; preds = %backtrack
br label %for.cond616
for.cond616: ; preds = %for.body619, %if.then595
br i1 %arg, label %for.body619, label %for.end626
for.body619: ; preds = %for.cond616
br label %for.cond616
for.end626: ; preds = %for.cond616
br label %while.body248
if.else629: ; preds = %backtrack
br label %retry
}
define void @tre_tnfa_run_backtrack_callbr(i1 %arg) {
; CHECK-LABEL: @tre_tnfa_run_backtrack_callbr(
; CHECK-NEXT: entry:
; CHECK-NEXT: callbr void asm "", ""()
; CHECK-NEXT: to label [[RETRY:%.*]] []
; CHECK: retry:
; CHECK-NEXT: callbr void asm "", "r,!i"(i1 [[ARG:%.*]])
; CHECK-NEXT: to label [[RETRY_TARGET_BACKTRACK:%.*]] [label %retry.target.while.body248]
; CHECK: while.body248:
; CHECK-NEXT: callbr void asm "", "r,!i"(i1 [[ARG]])
; CHECK-NEXT: to label [[IF_THEN250:%.*]] [label %if.end275]
; CHECK: if.then250:
; CHECK-NEXT: callbr void asm "", ""()
; CHECK-NEXT: to label [[FOR_COND264:%.*]] []
; CHECK: for.cond264:
; CHECK-NEXT: callbr void asm "", "r,!i"(i1 [[ARG]])
; CHECK-NEXT: to label [[FOR_BODY267:%.*]] [label %backtrack]
; CHECK: for.body267:
; CHECK-NEXT: callbr void asm "", ""()
; CHECK-NEXT: to label [[FOR_COND264]] []
; CHECK: if.end275:
; CHECK-NEXT: callbr void asm "", ""()
; CHECK-NEXT: to label [[FOR_COND342:%.*]] []
; CHECK: for.cond342:
; CHECK-NEXT: callbr void asm "", "r,!i"(i1 [[ARG]])
; CHECK-NEXT: to label [[FOR_BODY345:%.*]] [label %for.end580]
; CHECK: for.body345:
; CHECK-NEXT: callbr void asm "", ""()
; CHECK-NEXT: to label [[FOR_COND342]] []
; CHECK: for.end580:
; CHECK-NEXT: callbr void asm "", ""()
; CHECK-NEXT: to label [[BACKTRACK:%.*]] []
; CHECK: backtrack:
; CHECK-NEXT: callbr void asm "", "r,!i"(i1 [[ARG]])
; CHECK-NEXT: to label [[IF_THEN595:%.*]] [label %if.else629]
; CHECK: if.then595:
; CHECK-NEXT: callbr void asm "", ""()
; CHECK-NEXT: to label [[FOR_COND616:%.*]] []
; CHECK: for.cond616:
; CHECK-NEXT: callbr void asm "", "r,!i"(i1 [[ARG]])
; CHECK-NEXT: to label [[FOR_BODY619:%.*]] [label %for.end626]
; CHECK: for.body619:
; CHECK-NEXT: callbr void asm "", ""()
; CHECK-NEXT: to label [[FOR_COND616]] []
; CHECK: for.end626:
; CHECK-NEXT: callbr void asm "", ""()
; CHECK-NEXT: to label [[FOR_END626_TARGET_WHILE_BODY248:%.*]] []
; CHECK: if.else629:
; CHECK-NEXT: callbr void asm "", ""()
; CHECK-NEXT: to label [[RETRY]] []
; CHECK: for.end626.target.while.body248:
; CHECK-NEXT: br label [[IRR_GUARD:%.*]]
; CHECK: retry.target.backtrack:
; CHECK-NEXT: br label [[IRR_GUARD]]
; CHECK: retry.target.while.body248:
; CHECK-NEXT: br label [[IRR_GUARD]]
; CHECK: irr.guard:
; CHECK-NEXT: [[GUARD_WHILE_BODY248:%.*]] = phi i1 [ true, [[FOR_END626_TARGET_WHILE_BODY248]] ], [ false, [[RETRY_TARGET_BACKTRACK]] ], [ true, [[RETRY_TARGET_WHILE_BODY248:%.*]] ]
; CHECK-NEXT: br i1 [[GUARD_WHILE_BODY248]], label [[WHILE_BODY248:%.*]], label [[BACKTRACK]]
;
entry:
callbr void asm "", ""() to label %retry []
retry:
callbr void asm "", "r,!i"(i1 %arg) to label %backtrack [label %while.body248]
while.body248: ; preds = %for.end626, %retry
callbr void asm "", "r,!i"(i1 %arg) to label %if.then250 [label %if.end275]
if.then250: ; preds = %while.body248
callbr void asm "", ""() to label %for.cond264 []
for.cond264: ; preds = %for.body267, %if.then250
callbr void asm "", "r,!i"(i1 %arg) to label %for.body267 [label %backtrack]
for.body267: ; preds = %for.cond264
callbr void asm "", ""() to label %for.cond264 []
if.end275: ; preds = %while.body248
callbr void asm "", ""() to label %for.cond342 []
for.cond342: ; preds = %for.body345, %if.end275
callbr void asm "", "r,!i"(i1 %arg) to label %for.body345 [label %for.end580]
for.body345: ; preds = %for.cond342
callbr void asm "", ""() to label %for.cond342 []
for.end580: ; preds = %for.cond342
callbr void asm "", ""() to label %backtrack []
backtrack: ; preds = %for.end580, %for.cond264, %retry
callbr void asm "", "r,!i"(i1 %arg) to label %if.then595 [label %if.else629]
if.then595: ; preds = %backtrack
callbr void asm "", ""() to label %for.cond616 []
for.cond616: ; preds = %for.body619, %if.then595
callbr void asm "", "r,!i"(i1 %arg) to label %for.body619 [label %for.end626]
for.body619: ; preds = %for.cond616
callbr void asm "", ""() to label %for.cond616 []
for.end626: ; preds = %for.cond616
callbr void asm "", ""() to label %while.body248 []
if.else629: ; preds = %backtrack
callbr void asm "", ""() to label %retry []
}
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