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[SimplifyCFG] regenerate complete test checks; NFC

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This commit is contained in:
Sanjay Patel 2020-03-13 14:12:04 -04:00
parent 4c46383ca2
commit 57850e1de0
1 changed files with 35 additions and 8 deletions
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43
test/Transforms/SimplifyCFG/PR17073.ll
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@ -1,3 +1,4 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -simplifycfg -S | FileCheck %s
; In PR17073 ( http://llvm.org/pr17073 ), we illegally hoisted an operation that can trap.
@ -13,10 +14,20 @@ target triple = "i386-apple-macosx10.9.0"
@a = common global i32 0, align 4
@b = common global i8 0, align 1
; CHECK-LABEL: can_trap1
; CHECK-NOT: or i1 %tobool, icmp eq (i32* bitcast (i8* @b to i32*), i32* @a)
; CHECK-NOT: select i1 %tobool, i32* null, i32* select (i1 icmp eq (i64 urem (i64 2, i64 zext (i1 icmp eq (i32* bitcast (i8* @b to i32*), i32* @a) to i64)), i64 0), i32* null, i32* @a)
define i32* @can_trap1() {
; CHECK-LABEL: @can_trap1(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* @a, align 4
; CHECK-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[TMP0]], 0
; CHECK-NEXT: br i1 [[TOBOOL]], label [[EXIT:%.*]], label [[BLOCK1:%.*]]
; CHECK: block1:
; CHECK-NEXT: br i1 icmp eq (i32* bitcast (i8* @b to i32*), i32* @a), label [[EXIT]], label [[BLOCK2:%.*]]
; CHECK: block2:
; CHECK-NEXT: br label [[EXIT]]
; CHECK: exit:
; CHECK-NEXT: [[STOREMERGE:%.*]] = phi i32* [ null, [[ENTRY:%.*]] ], [ null, [[BLOCK2]] ], [ select (i1 icmp eq (i64 urem (i64 2, i64 zext (i1 icmp eq (i32* bitcast (i8* @b to i32*), i32* @a) to i64)), i64 0), i32* null, i32* @a), [[BLOCK1]] ]
; CHECK-NEXT: ret i32* [[STOREMERGE]]
;
entry:
%0 = load i32, i32* @a, align 4
%tobool = icmp eq i32 %0, 0
@ -33,10 +44,17 @@ exit:
ret i32* %storemerge
}
; CHECK-LABEL: can_trap2
; CHECK-NOT: or i1 %tobool, icmp eq (i32* bitcast (i8* @b to i32*), i32* @a)
; CHECK-NOT: select i1 %tobool, i32* select (i1 icmp eq (i64 urem (i64 2, i64 zext (i1 icmp eq (i32* bitcast (i8* @b to i32*), i32* @a) to i64)), i64 0), i32* null, i32* @a), i32* null
define i32* @can_trap2() {
; CHECK-LABEL: @can_trap2(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* @a, align 4
; CHECK-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[TMP0]], 0
; CHECK-NEXT: br i1 [[TOBOOL]], label [[EXIT:%.*]], label [[BLOCK1:%.*]]
; CHECK: block1:
; CHECK-NEXT: ret i32* null
; CHECK: exit:
; CHECK-NEXT: ret i32* select (i1 icmp eq (i64 urem (i64 2, i64 zext (i1 icmp eq (i32* bitcast (i8* @b to i32*), i32* @a) to i64)), i64 0), i32* null, i32* @a)
;
entry:
%0 = load i32, i32* @a, align 4
%tobool = icmp eq i32 %0, 0
@ -53,9 +71,18 @@ exit:
ret i32* %storemerge
}
; CHECK-LABEL: cannot_trap
; CHECK: select i1 icmp eq (i32* bitcast (i8* @b to i32*), i32* @a), i32* select (i1 icmp eq (i64 add (i64 zext (i1 icmp eq (i32* bitcast (i8* @b to i32*), i32* @a) to i64), i64 2), i64 0), i32* null, i32* @a), i32* null
define i32* @cannot_trap() {
; CHECK-LABEL: @cannot_trap(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* @a, align 4
; CHECK-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[TMP0]], 0
; CHECK-NEXT: br i1 [[TOBOOL]], label [[EXIT:%.*]], label [[BLOCK1:%.*]]
; CHECK: block1:
; CHECK-NEXT: [[SPEC_SELECT:%.*]] = select i1 icmp eq (i32* bitcast (i8* @b to i32*), i32* @a), i32* select (i1 icmp eq (i64 add (i64 zext (i1 icmp eq (i32* bitcast (i8* @b to i32*), i32* @a) to i64), i64 2), i64 0), i32* null, i32* @a), i32* null
; CHECK-NEXT: ret i32* [[SPEC_SELECT]]
; CHECK: exit:
; CHECK-NEXT: ret i32* null
;
entry:
%0 = load i32, i32* @a, align 4
%tobool = icmp eq i32 %0, 0