126 lines
4.9 KiB
LLVM
126 lines
4.9 KiB
LLVM
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||
|
|
; RUN: opt < %s -ipsccp -S | FileCheck %s
|
||
|
|
; RUN: opt < %s -passes=ipsccp -S | FileCheck %s
|
||
|
|
|
||
|
|
; Test for PR39772
|
||
|
|
|
||
|
|
%struct.Node = type { %struct.Node*, %struct.Node*, i32 }
|
||
|
|
|
||
|
|
define i32 @check(%struct.Node* %node) {
|
||
|
|
; CHECK-LABEL: define i32 @check(
|
||
|
|
; CHECK-NEXT: entry:
|
||
|
|
; CHECK-NEXT: [[CMP:%.*]] = icmp eq %struct.Node* [[NODE:%.*]], null
|
||
|
|
; CHECK-NEXT: br i1 [[CMP]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
|
||
|
|
; CHECK: if.then:
|
||
|
|
; CHECK-NEXT: br label [[CLEANUP:%.*]]
|
||
|
|
; CHECK: if.end:
|
||
|
|
; CHECK-NEXT: [[LEFT:%.*]] = getelementptr inbounds [[STRUCT_NODE:%.*]], %struct.Node* [[NODE]], i32 0, i32 0
|
||
|
|
; CHECK-NEXT: [[TMP0:%.*]] = load %struct.Node*, %struct.Node** [[LEFT]]
|
||
|
|
; CHECK-NEXT: [[CALL:%.*]] = call i32 @check(%struct.Node* [[TMP0]])
|
||
|
|
; CHECK-NEXT: [[RIGHT:%.*]] = getelementptr inbounds [[STRUCT_NODE]], %struct.Node* [[NODE]], i32 0, i32 1
|
||
|
|
; CHECK-NEXT: [[TMP1:%.*]] = load %struct.Node*, %struct.Node** [[RIGHT]]
|
||
|
|
; CHECK-NEXT: [[CALL1:%.*]] = call i32 @check(%struct.Node* [[TMP1]])
|
||
|
|
; CHECK-NEXT: [[TMP2:%.*]] = load %struct.Node*, %struct.Node** [[RIGHT]]
|
||
|
|
; CHECK-NEXT: [[HEIGHT:%.*]] = getelementptr inbounds [[STRUCT_NODE]], %struct.Node* [[TMP2]], i32 0, i32 2
|
||
|
|
; CHECK-NEXT: [[TMP3:%.*]] = load i32, i32* [[HEIGHT]]
|
||
|
|
; CHECK-NEXT: [[CMP3:%.*]] = icmp ne i32 [[TMP3]], [[CALL1]]
|
||
|
|
; CHECK-NEXT: br i1 [[CMP3]], label [[IF_THEN4:%.*]], label [[IF_END5:%.*]]
|
||
|
|
; CHECK: if.then4:
|
||
|
|
; CHECK-NEXT: unreachable
|
||
|
|
; CHECK: if.end5:
|
||
|
|
; CHECK-NEXT: [[CMP6:%.*]] = icmp sgt i32 [[CALL]], [[CALL1]]
|
||
|
|
; CHECK-NEXT: br i1 [[CMP6]], label [[IF_THEN7:%.*]], label [[IF_ELSE:%.*]]
|
||
|
|
; CHECK: if.then7:
|
||
|
|
; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[CALL]], 1
|
||
|
|
; CHECK-NEXT: br label [[CLEANUP]]
|
||
|
|
; CHECK: if.else:
|
||
|
|
; CHECK-NEXT: [[ADD8:%.*]] = add nsw i32 [[CALL1]], 1
|
||
|
|
; CHECK-NEXT: br label [[CLEANUP]]
|
||
|
|
; CHECK: cleanup:
|
||
|
|
; CHECK-NEXT: [[RETVAL_0:%.*]] = phi i32 [ 0, [[IF_THEN]] ], [ [[ADD]], [[IF_THEN7]] ], [ [[ADD8]], [[IF_ELSE]] ]
|
||
|
|
; CHECK-NEXT: ret i32 [[RETVAL_0]]
|
||
|
|
;
|
||
|
|
entry:
|
||
|
|
%cmp = icmp eq %struct.Node* %node, null
|
||
|
|
br i1 %cmp, label %if.then, label %if.end
|
||
|
|
|
||
|
|
if.then: ; preds = %entry
|
||
|
|
br label %cleanup
|
||
|
|
|
||
|
|
if.end: ; preds = %entry
|
||
|
|
%left = getelementptr inbounds %struct.Node, %struct.Node* %node, i32 0, i32 0
|
||
|
|
%0 = load %struct.Node*, %struct.Node** %left
|
||
|
|
%call = call i32 @check(%struct.Node* %0)
|
||
|
|
%right = getelementptr inbounds %struct.Node, %struct.Node* %node, i32 0, i32 1
|
||
|
|
%1 = load %struct.Node*, %struct.Node** %right
|
||
|
|
%call1 = call i32 @check(%struct.Node* %1)
|
||
|
|
%2 = load %struct.Node*, %struct.Node** %right
|
||
|
|
%height = getelementptr inbounds %struct.Node, %struct.Node* %2, i32 0, i32 2
|
||
|
|
%3 = load i32, i32* %height
|
||
|
|
%cmp3 = icmp ne i32 %3, %call1
|
||
|
|
br i1 %cmp3, label %if.then4, label %if.end5
|
||
|
|
|
||
|
|
if.then4: ; preds = %if.end
|
||
|
|
unreachable
|
||
|
|
|
||
|
|
if.end5: ; preds = %if.end
|
||
|
|
%cmp6 = icmp sgt i32 %call, %call1
|
||
|
|
br i1 %cmp6, label %if.then7, label %if.else
|
||
|
|
|
||
|
|
if.then7: ; preds = %if.end5
|
||
|
|
%add = add nsw i32 %call, 1
|
||
|
|
br label %cleanup
|
||
|
|
|
||
|
|
if.else: ; preds = %if.end5
|
||
|
|
%add8 = add nsw i32 %call1, 1
|
||
|
|
br label %cleanup
|
||
|
|
|
||
|
|
cleanup: ; preds = %if.else, %if.then7, %if.then
|
||
|
|
%retval.0 = phi i32 [ 0, %if.then ], [ %add, %if.then7 ], [ %add8, %if.else ]
|
||
|
|
ret i32 %retval.0
|
||
|
|
}
|
||
|
|
|
||
|
|
declare i8* @test2_callee(i32, i32)
|
||
|
|
|
||
|
|
define void @test2() {
|
||
|
|
; CHECK-LABEL: @test2(
|
||
|
|
; CHECK-NEXT: entry:
|
||
|
|
; CHECK-NEXT: br label [[FOR_COND:%.*]]
|
||
|
|
; CHECK: for.cond:
|
||
|
|
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
|
||
|
|
; CHECK: for.body:
|
||
|
|
; CHECK-NEXT: br label [[IF_ELSE33:%.*]]
|
||
|
|
; CHECK: if.else33:
|
||
|
|
; CHECK-NEXT: br label [[IF_THEN38:%.*]]
|
||
|
|
; CHECK: if.then38:
|
||
|
|
; CHECK-NEXT: [[CALL42:%.*]] = call i8* @test2_callee(i32 0, i32 0)
|
||
|
|
; CHECK-NEXT: unreachable
|
||
|
|
;
|
||
|
|
entry:
|
||
|
|
br label %for.cond
|
||
|
|
|
||
|
|
for.cond: ; preds = %for.inc46, %entry
|
||
|
|
%op.0 = phi i32 [ 0, %entry ], [ 0, %for.inc46 ]
|
||
|
|
br label %for.body
|
||
|
|
|
||
|
|
for.body: ; preds = %for.cond
|
||
|
|
%cmp24 = icmp eq i32 %op.0, 38
|
||
|
|
br i1 %cmp24, label %if.then26, label %if.else33
|
||
|
|
|
||
|
|
if.then26: ; preds = %for.body
|
||
|
|
unreachable
|
||
|
|
|
||
|
|
if.else33: ; preds = %for.body
|
||
|
|
%cmp34 = icmp ne i32 %op.0, 80
|
||
|
|
%cmp36 = icmp ne i32 %op.0, 81
|
||
|
|
%or.cond = and i1 %cmp34, %cmp36
|
||
|
|
br i1 %or.cond, label %if.then38, label %for.inc46
|
||
|
|
|
||
|
|
if.then38: ; preds = %if.else33
|
||
|
|
%call42 = call i8* @test2_callee(i32 %op.0, i32 0)
|
||
|
|
unreachable
|
||
|
|
|
||
|
|
for.inc46: ; preds = %if.else33
|
||
|
|
br label %for.cond
|
||
|
|
}
|