blob: cdd688aab082923cc338b0f062fad786dc1fe28d [file] [log] [blame]
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 -O3 -stop-before=finalize-isel \
; RUN: | FileCheck %s
;
; Check that an i1 in memory used in a comparison is loaded correctly.
@bPtr = external dso_local local_unnamed_addr global ptr, align 8
@c = external hidden unnamed_addr global i1, align 4
define i64 @main() {
; CHECK-LABEL: bb.0.entry:
; CHECK: %1:addr64bit = LARL @c
; CHECK: %2:gr64bit = LLGC %1, 0, $noreg :: (dereferenceable load (s8) from @c, align 4)
; CHECK-NEXT: %4:gr64bit = IMPLICIT_DEF
; CHECK-NEXT: %3:gr64bit = RISBGN %4, killed %2, 63, 191, 0
; CHECK-NEXT: %5:gr64bit = LCGR killed %3, implicit-def dead $cc
; CHECK-NEXT: CGHI killed %5, 1, implicit-def $cc
entry:
%0 = load ptr, ptr @bPtr
store i1 true, ptr @c
store i32 8, ptr %0
%.b = load i1, ptr @c
%conv.i = select i1 %.b, i64 1, i64 3
%div.i = sdiv i64 -1, %conv.i
%cmp.i = icmp eq i64 %div.i, 1
%conv2.i = zext i1 %cmp.i to i64
ret i64 %conv2.i
}