forked from OSchip/llvm-project
21 lines
819 B
LLVM
21 lines
819 B
LLVM
; RUN: opt -S -instcombine < %s | FileCheck %s
|
|
|
|
@g_40 = external global i8, align 2
|
|
@g_461 = external global [6 x i8], align 2
|
|
@g_49 = external local_unnamed_addr global { i8, i8, i8, i8, i8 }, align 2
|
|
|
|
; CHECK-LABEL: @func_24(
|
|
define fastcc void @func_24() {
|
|
entry:
|
|
%bf.load81 = load i40, i40* bitcast ({ i8, i8, i8, i8, i8 }* @g_49 to i40*), align 2
|
|
%bf.clear = and i40 %bf.load81, -274869518337
|
|
%bf.set = or i40 %bf.clear, shl (i40 zext (i1 icmp sgt (i32 zext (i1 icmp eq (i8* getelementptr inbounds ([6 x i8], [6 x i8]* @g_461, i64 0, i64 2), i8* @g_40) to i32), i32 0) to i40), i40 23)
|
|
%tmp = lshr i40 %bf.set, 23
|
|
%tmp1 = trunc i40 %tmp to i32
|
|
%tmp2 = and i32 1, %tmp1
|
|
%tmp3 = shl nuw nsw i32 %tmp2, 23
|
|
%bf.shl154 = zext i32 %tmp3 to i40
|
|
%bf.set156 = or i40 %bf.clear, %bf.shl154
|
|
unreachable
|
|
}
|