You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
31 lines
829 B
31 lines
829 B
; Verify that we do not crash on always-true conditions
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 -O0
|
|
;
|
|
; This test was compiled using clang -O0 from the following source code:
|
|
;
|
|
; int test(unsigned long x)
|
|
; {
|
|
; return x >= 0 && x <= 15;
|
|
; }
|
|
|
|
define signext i32 @test(i64 %x) {
|
|
entry:
|
|
%x.addr = alloca i64, align 8
|
|
store i64 %x, i64* %x.addr, align 8
|
|
%0 = load i64, i64* %x.addr, align 8
|
|
%cmp = icmp uge i64 %0, 0
|
|
br i1 %cmp, label %land.rhs, label %land.end
|
|
|
|
land.rhs: ; preds = %entry
|
|
%1 = load i64, i64* %x.addr, align 8
|
|
%cmp1 = icmp ule i64 %1, 15
|
|
br label %land.end
|
|
|
|
land.end: ; preds = %land.rhs, %entry
|
|
%2 = phi i1 [ false, %entry ], [ %cmp1, %land.rhs ]
|
|
%land.ext = zext i1 %2 to i32
|
|
ret i32 %land.ext
|
|
}
|
|
|