hanchenye-llvm-project/llvm/test/Transforms/InstCombine/pr25745.ll

21 lines
467 B
LLVM

; RUN: opt -S -instcombine < %s | FileCheck %s
; Checking for a crash
declare void @use.i1(i1 %val)
declare void @use.i64(i64 %val)
define i64 @f(i32 %x) {
; CHECK-LABEL: @f(
entry:
%x.wide = sext i32 %x to i64
%minus.x = sub i32 0, %x
%minus.x.wide = sext i32 %minus.x to i64
%c = icmp slt i32 %x, 0
%val = select i1 %c, i64 %x.wide, i64 %minus.x.wide
call void @use.i1(i1 %c)
call void @use.i64(i64 %x.wide)
ret i64 %val
; CHECK: ret i64 %val
}