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|
; RUN: opt -passes=simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S %s | FileCheck --match-full-lines %s
; The branch in %cont has !annotation metadata. Make sure generated AND
; has !annotation metadata.
define i32 @test_preserve_and(ptr %a, ptr %b, ptr %c, ptr %d) {
; CHECK-LABEL: define {{.*}} @test_preserve_and({{.*}}
; CHECK-NEXT: entry:
; CHECK-NEXT: [[C_1:%.*]] = icmp ult ptr [[A:%.*]], [[B:%.*]], !annotation !0
; CHECK-NEXT: [[C_2:%.*]] = icmp uge ptr [[C:%.*]], [[D:%.*]], !annotation !0
; CHECK-NEXT: [[OR_COND:%.*]] = select i1 [[C_1]], i1 [[C_2]], i1 false, !annotation !0
; CHECK-NEXT: br i1 [[OR_COND]], label [[CONT1:%.*]], label [[TRAP:%.*]], !annotation !0
; CHECK: trap: ; preds = %entry
; CHECK-NEXT: call void @fn1()
; CHECK-NEXT: unreachable
; CHECK: cont1: ; preds = %entry
; CHECK-NEXT: call void @fn2()
; CHECK-NEXT: ret i32 0
;
entry:
%c.1 = icmp ult ptr %a, %b, !annotation !0
br i1 %c.1, label %cont, label %trap, !annotation !0
cont: ; preds = %entry
%c.2 = icmp uge ptr %c, %d, !annotation !0
br i1 %c.2, label %cont1, label %trap, !annotation !0
trap: ; preds = %cont, %entry
call void @fn1()
unreachable
cont1: ; preds = %cont
call void @fn2()
ret i32 0
}
; The branch in %cont has !annotation metadata. Make sure generated OR
; has !annotation metadata.
define i32 @test_preserve_or(ptr %a, ptr %b, ptr %c, ptr %d) {
; CHECK-LABEL: define {{.*}} @test_preserve_or({{.*}}
; CHECK-NEXT: entry:
; CHECK-NEXT: [[C_1:%.*]] = icmp uge ptr [[A:%.*]], [[B:%.*]], !annotation !0
; CHECK-NEXT: [[C_2:%.*]] = icmp uge ptr [[C:%.*]], [[D:%.*]], !annotation !0
; CHECK-NEXT: [[OR_COND:%.*]] = select i1 [[C_1]], i1 true, i1 [[C_2]], !annotation !0
; CHECK-NEXT: br i1 [[OR_COND]], label [[TRAP:%.*]], label [[CONT1:%.*]], !annotation !0
; CHECK: trap: ; preds = %entry
; CHECK-NEXT: call void @fn1()
; CHECK-NEXT: unreachable
; CHECK: cont1: ; preds = %entry
; CHECK-NEXT: call void @fn2()
; CHECK-NEXT: ret i32 0
;
entry:
%c.1 = icmp ult ptr %a, %b, !annotation !0
br i1 %c.1, label %cont, label %trap, !annotation !0
cont: ; preds = %entry
%c.2 = icmp uge ptr %c, %d, !annotation !0
br i1 %c.2, label %trap, label %cont1, !annotation !0
trap: ; preds = %cont, %entry
call void @fn1()
unreachable
cont1: ; preds = %cont
call void @fn2()
ret i32 0
}
; The branch in %cont has !annotation metadata. Make sure generated negation
; and OR have !annotation metadata.
define i32 @test_preserve_or_not(ptr %a, ptr %b, ptr %c, ptr %d) {
; CHECK-LABEL: define {{.*}} @test_preserve_or_not({{.*}}
; CHECK-NEXT: entry:
; CHECK-NEXT: [[C_1:%.*]] = icmp ult ptr [[A:%.*]], [[B:%.*]], !annotation !0
; CHECK-NEXT: [[C_2:%.*]] = xor i1 [[C_1]], true
; CHECK-NEXT: [[C_2_NOT:%.*]] = xor i1 [[C_2]], true, !annotation !0
; CHECK-NEXT: [[C_3:%.*]] = icmp uge ptr [[C:%.*]], [[D:%.*]], !annotation !0
; CHECK-NEXT: [[OR_COND:%.*]] = select i1 [[C_2_NOT]], i1 true, i1 [[C_3]], !annotation !0
; CHECK-NEXT: br i1 [[OR_COND]], label [[TRAP:%.*]], label [[CONT1:%.*]], !annotation !0
; CHECK: trap: ; preds = %entry
; CHECK-NEXT: call void @fn1()
; CHECK-NEXT: unreachable
; CHECK: cont1: ; preds = %entry
; CHECK-NEXT: call void @fn2()
; CHECK-NEXT: ret i32 0
;
entry:
%c.1 = icmp ult ptr %a, %b, !annotation !0
%c.2 = xor i1 %c.1, true
br i1 %c.2, label %cont, label %trap, !annotation !0
cont: ; preds = %entry
%c.3 = icmp uge ptr %c, %d, !annotation !0
br i1 %c.3, label %trap, label %cont1, !annotation !0
trap: ; preds = %cont, %entry
call void @fn1()
unreachable
cont1: ; preds = %cont
call void @fn2()
ret i32 0
}
; The branch in %cont has no !annotation metadata. Make sure generated negation
; and OR do not have !annotation metadata.
define i32 @test_or_not_no_annotation(ptr %a, ptr %b, ptr %c, ptr %d) {
; CHECK-LABEL: define {{.*}} @test_or_not_no_annotation({{.*}}
; CHECK-NEXT: entry:
; CHECK-NEXT: [[C_1:%.*]] = icmp ult ptr [[A:%.*]], [[B:%.*]], !annotation !0
; CHECK-NEXT: [[C_2:%.*]] = xor i1 [[C_1]], true
; CHECK-NEXT: [[C_2_NOT:%.*]] = xor i1 [[C_2]], true
; CHECK-NEXT: [[C_3:%.*]] = icmp uge ptr [[C:%.*]], [[D:%.*]], !annotation !0
; CHECK-NEXT: [[OR_COND:%.*]] = select i1 [[C_2_NOT]], i1 true, i1 [[C_3]]
; CHECK-NEXT: br i1 [[OR_COND]], label [[TRAP:%.*]], label [[CONT1:%.*]], !annotation !0
; CHECK: trap: ; preds = %entry
; CHECK-NEXT: call void @fn1()
; CHECK-NEXT: unreachable
; CHECK: cont1: ; preds = %entry
; CHECK-NEXT: call void @fn2()
; CHECK-NEXT: ret i32 0
;
entry:
%c.1 = icmp ult ptr %a, %b, !annotation !0
%c.2 = xor i1 %c.1, true
br i1 %c.2, label %cont, label %trap, !annotation !0
cont: ; preds = %entry
%c.3 = icmp uge ptr %c, %d, !annotation !0
br i1 %c.3, label %trap, label %cont1
trap: ; preds = %cont, %entry
call void @fn1()
unreachable
cont1: ; preds = %cont
call void @fn2()
ret i32 0
}
declare void @fn1()
declare void @fn2()
!0 = !{!"foo"}
|
