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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt %s -passes=ipsccp -S | FileCheck %s
declare i1 @cond()
declare void @use(i1)
define internal {i64, i64} @struct1() {
; CHECK-LABEL: @struct1(
; CHECK-NEXT: [[C:%.*]] = call i1 @cond()
; CHECK-NEXT: br i1 [[C]], label [[TRUE:%.*]], label [[FALSE:%.*]]
; CHECK: true:
; CHECK-NEXT: br label [[EXIT:%.*]]
; CHECK: false:
; CHECK-NEXT: br label [[EXIT]]
; CHECK: exit:
; CHECK-NEXT: [[R:%.*]] = phi { i64, i64 } [ { i64 20, i64 200 }, [[TRUE]] ], [ { i64 30, i64 300 }, [[FALSE]] ]
; CHECK-NEXT: ret { i64, i64 } [[R]]
;
%c = call i1 @cond()
br i1 %c, label %true, label %false
true:
%s.1 = insertvalue {i64, i64} undef, i64 20, 0
%s.2 = insertvalue {i64, i64} %s.1, i64 200, 1
br label %exit
false:
%s.3 = insertvalue {i64, i64} undef, i64 30, 0
%s.4 = insertvalue {i64, i64} %s.3, i64 300, 1
br label %exit
exit:
%r = phi {i64, i64} [ %s.2, %true], [ %s.4, %false ]
ret {i64, i64} %r
}
define void @struct1_caller() {
; CHECK-LABEL: @struct1_caller(
; CHECK-NEXT: [[S:%.*]] = call { i64, i64 } @struct1()
; CHECK-NEXT: [[V1:%.*]] = extractvalue { i64, i64 } [[S]], 0
; CHECK-NEXT: [[V2:%.*]] = extractvalue { i64, i64 } [[S]], 1
; CHECK-NEXT: [[T_1:%.*]] = icmp ne i64 [[V1]], 10
; CHECK-NEXT: call void @use(i1 [[T_1]])
; CHECK-NEXT: [[T_2:%.*]] = icmp ult i64 [[V1]], 100
; CHECK-NEXT: call void @use(i1 [[T_2]])
; CHECK-NEXT: [[T_3:%.*]] = icmp ne i64 [[V2]], 0
; CHECK-NEXT: call void @use(i1 [[T_3]])
; CHECK-NEXT: [[T_4:%.*]] = icmp ult i64 [[V2]], 301
; CHECK-NEXT: call void @use(i1 [[T_4]])
; CHECK-NEXT: ret void
;
%s = call {i64, i64} @struct1()
%v1 = extractvalue {i64, i64} %s, 0
%v2 = extractvalue {i64, i64} %s, 1
%t.1 = icmp ne i64 %v1, 10
call void @use(i1 %t.1)
%t.2 = icmp ult i64 %v1, 100
call void @use(i1 %t.2)
%t.3 = icmp ne i64 %v2, 0
call void @use(i1 %t.3)
%t.4 = icmp ult i64 %v2, 301
call void @use(i1 %t.4)
ret void
}
define internal {i64, i64} @struct2() {
; CHECK-LABEL: @struct2(
; CHECK-NEXT: [[C:%.*]] = call i1 @cond()
; CHECK-NEXT: br i1 [[C]], label [[TRUE:%.*]], label [[FALSE:%.*]]
; CHECK: true:
; CHECK-NEXT: br label [[EXIT:%.*]]
; CHECK: false:
; CHECK-NEXT: br label [[EXIT]]
; CHECK: exit:
; CHECK-NEXT: [[V1:%.*]] = phi i64 [ 20, [[TRUE]] ], [ 30, [[FALSE]] ]
; CHECK-NEXT: [[V2:%.*]] = phi i64 [ 200, [[TRUE]] ], [ 300, [[FALSE]] ]
; CHECK-NEXT: [[S_1:%.*]] = insertvalue { i64, i64 } undef, i64 [[V1]], 0
; CHECK-NEXT: [[S_2:%.*]] = insertvalue { i64, i64 } [[S_1]], i64 [[V2]], 1
; CHECK-NEXT: ret { i64, i64 } [[S_2]]
;
%c = call i1 @cond()
br i1 %c, label %true, label %false
true:
br label %exit
false:
br label %exit
exit:
%v1 = phi i64 [ 20, %true ], [ 30, %false ]
%v2 = phi i64 [ 200, %true ], [ 300, %false ]
%s.1 = insertvalue {i64, i64} undef, i64 %v1, 0
%s.2 = insertvalue {i64, i64} %s.1, i64 %v2, 1
ret {i64, i64} %s.2
}
define void @struct2_caller() {
; CHECK-LABEL: @struct2_caller(
; CHECK-NEXT: [[S:%.*]] = call { i64, i64 } @struct2()
; CHECK-NEXT: [[V1:%.*]] = extractvalue { i64, i64 } [[S]], 0
; CHECK-NEXT: [[V2:%.*]] = extractvalue { i64, i64 } [[S]], 1
; CHECK-NEXT: call void @use(i1 true)
; CHECK-NEXT: call void @use(i1 true)
; CHECK-NEXT: call void @use(i1 true)
; CHECK-NEXT: call void @use(i1 true)
; CHECK-NEXT: call void @use(i1 false)
; CHECK-NEXT: call void @use(i1 false)
; CHECK-NEXT: call void @use(i1 false)
; CHECK-NEXT: call void @use(i1 false)
; CHECK-NEXT: [[C_1:%.*]] = icmp eq i64 [[V1]], 25
; CHECK-NEXT: call void @use(i1 [[C_1]])
; CHECK-NEXT: [[C_2:%.*]] = icmp ult i64 [[V1]], 25
; CHECK-NEXT: call void @use(i1 [[C_2]])
; CHECK-NEXT: [[C_3:%.*]] = icmp eq i64 [[V2]], 250
; CHECK-NEXT: call void @use(i1 [[C_3]])
; CHECK-NEXT: [[C_4:%.*]] = icmp ugt i64 [[V2]], 250
; CHECK-NEXT: call void @use(i1 [[C_4]])
; CHECK-NEXT: ret void
;
%s = call {i64, i64} @struct2()
%v1 = extractvalue {i64, i64} %s, 0
%v2 = extractvalue {i64, i64} %s, 1
%t.1 = icmp ne i64 %v1, 10
call void @use(i1 %t.1)
%t.2 = icmp ult i64 %v1, 100
call void @use(i1 %t.2)
%t.3 = icmp ne i64 %v2, 0
call void @use(i1 %t.3)
%t.4 = icmp ult i64 %v2, 301
call void @use(i1 %t.4)
%f.1 = icmp eq i64 %v1, 10
call void @use(i1 %f.1)
%f.2 = icmp ult i64 %v1, 19
call void @use(i1 %f.2)
%f.3 = icmp eq i64 %v2, 50
call void @use(i1 %f.3)
%f.4 = icmp ugt i64 %v2, 301
call void @use(i1 %f.4)
%c.1 = icmp eq i64 %v1, 25
call void @use(i1 %c.1)
%c.2 = icmp ult i64 %v1, 25
call void @use(i1 %c.2)
%c.3 = icmp eq i64 %v2, 250
call void @use(i1 %c.3)
%c.4 = icmp ugt i64 %v2, 250
call void @use(i1 %c.4)
ret void
}
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