blob: 130a96994a32fd2b5dd620149046e72de562590b [file] [log] [blame]
; RUN: opt < %s -passes=ipsccp -S | FileCheck %s
; CHECK-LABEL: @testf(
; CHECK: ret i32 undef
;
define internal i32 @testf(i1 %c) {
entry:
br i1 %c, label %if.cond, label %if.end
if.cond:
br i1 undef, label %if.then, label %if.end
if.then: ; preds = %entry, %if.then
ret i32 11
if.end: ; preds = %if.then1, %entry
ret i32 10
}
; CHECK-LABEL: @test1(
; CHECK: ret i32 undef
;
define internal i32 @test1(i1 %c) {
entry:
br label %if.then
if.then: ; preds = %entry, %if.then
%call = call i32 @testf(i1 %c)
%res = icmp eq i32 %call, 10
br i1 %res, label %ret1, label %ret2
ret1: ; preds = %if.then, %entry
ret i32 99
ret2: ; preds = %if.then, %entry
ret i32 0
}
; CHECK-LABEL: @main(
; CHECK-NEXT: %res = call i32 @test1(
; CHECK-NEXT: ret i32 99
;
define i32 @main(i1 %c) {
%res = call i32 @test1(i1 %c)
ret i32 %res
}