llvm-project/llvm/test/CodeGen/SystemZ/int-cmp-53.ll

27 lines
516 B
LLVM

; This used to incorrectly use a TMLL for an always-false test at -O0.
;
; RUN: llc -O0 < %s -mtriple=s390x-linux-gnu | FileCheck %s
define void @test(i8 *%input, i32 *%result) {
entry:
; CHECK-NOT: tmll
%0 = load i8, i8* %input, align 1
%1 = trunc i8 %0 to i1
%2 = zext i1 %1 to i32
%3 = icmp sge i32 %2, 0
br i1 %3, label %if.then, label %if.else
if.then:
store i32 1, i32* %result, align 4
br label %return
if.else:
store i32 0, i32* %result, align 4
br label %return
return:
ret void
}