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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
; RUN: opt < %s -S | FileCheck %s
define i32 @phi_after_label(i1 %cc) {
; CHECK-LABEL: define i32 @phi_after_label(
; CHECK-SAME: i1 [[CC:%.*]]) {
; CHECK-NEXT: entry:
; CHECK-NEXT: br i1 [[CC]], label [[THEN:%.*]], label [[END:%.*]]
; CHECK: then:
; CHECK-NEXT: br label [[END]]
; CHECK: end:
; CHECK-NEXT: [[R:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ 1, [[THEN]] ]
; CHECK-NEXT: ret i32 [[R]]
;
entry:
br i1 %cc, label %then, label %end
then:
br label %end
end:
%r = phi i32 [ 0, %entry ], [ 1, %then ]
ret i32 %r
}
define void @phi_before_label(i32 %bound) {
; CHECK-LABEL: define void @phi_before_label(
; CHECK-SAME: i32 [[BOUND:%.*]]) {
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[LOOP:%.*]]
; CHECK: loop:
; CHECK-NEXT: [[CTR:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[CTR_NEXT:%.*]], [[LOOP]] ]
; CHECK-NEXT: [[CTR_NEXT]] = add i32 [[CTR]], 1
; CHECK-NEXT: [[CC:%.*]] = icmp ult i32 [[CTR_NEXT]], [[BOUND]]
; CHECK-NEXT: br i1 [[CC]], label [[LOOP]], label [[END:%.*]]
; CHECK: end:
; CHECK-NEXT: ret void
;
entry:
br label %loop
loop:
%ctr = phi i32 [ 0, %entry ], [ %ctr.next, %loop ]
%ctr.next = add i32 %ctr, 1
%cc = icmp ult i32 %ctr.next, %bound
br i1 %cc, label %loop, label %end
end:
ret void
}
define i32 @phi_after_label_unnamed(i1 %cc) {
; CHECK-LABEL: define i32 @phi_after_label_unnamed(
; CHECK-SAME: i1 [[CC:%.*]]) {
; CHECK-NEXT: br i1 [[CC]], label [[TMP1:%.*]], label [[TMP2:%.*]]
; CHECK: 1:
; CHECK-NEXT: br label [[TMP2]]
; CHECK: 2:
; CHECK-NEXT: [[R:%.*]] = phi i32 [ 0, [[TMP0:%.*]] ], [ 1, [[TMP1]] ]
; CHECK-NEXT: ret i32 [[R]]
;
0:
br i1 %cc, label %1, label %2
1:
br label %2
2:
%r = phi i32 [ 0, %0 ], [ 1, %1 ]
ret i32 %r
}
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