llvm-6502/test/CodeGen/X86/setcc-narrowing.ll
Eli Friedman 85509802eb Add missing check to SETCC optimization.
PR17338.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191337 91177308-0d34-0410-b5e6-96231b3b80d8
2013-09-24 22:50:14 +00:00

19 lines
422 B
LLVM

; RUN: llc < %s -mtriple=i686-apple-darwin | FileCheck %s
; PR17338
@t1.global = internal global i64 -1, align 8
define i32 @t1() nounwind ssp {
entry:
; CHECK-LABEL: t1:
; CHECK: cmpl $0, _t1.global
; CHECK-NEXT: setne %al
; CHECK-NEXT: movzbl %al, %eax
; CHECK-NEXT: ret
%0 = load i64* @t1.global, align 8
%and = and i64 4294967295, %0
%cmp = icmp sgt i64 %and, 0
%conv = zext i1 %cmp to i32
ret i32 %conv
}