1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-- -mattr=-bmi | FileCheck %s
; TODO: This might not be testing the original issue anymore? Should the movl still be removed?
define fastcc i32 @t() nounwind {
; CHECK-LABEL: t:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: movzwl 0, %eax
; CHECK-NEXT: movl %eax, %ecx
; CHECK-NEXT: orl $2, %ecx
; CHECK-NEXT: movw %cx, 0
; CHECK-NEXT: shrl $3, %eax
; CHECK-NEXT: andl $1, %eax
; CHECK-NEXT: retl
entry:
br i1 false, label %UnifiedReturnBlock, label %bb4
bb4: ; preds = %entry
br i1 false, label %bb17, label %bb22
bb17: ; preds = %bb4
ret i32 1
bb22: ; preds = %bb4
br i1 true, label %walkExprTree.exit, label %bb4.i
bb4.i: ; preds = %bb22
ret i32 0
walkExprTree.exit: ; preds = %bb22
%tmp83 = load i16, ptr null, align 4 ; <i16> [#uses=1]
%tmp84 = or i16 %tmp83, 2 ; <i16> [#uses=2]
store i16 %tmp84, ptr null, align 4
%tmp98993 = zext i16 %tmp84 to i32 ; <i32> [#uses=1]
%tmp1004 = lshr i32 %tmp98993, 3 ; <i32> [#uses=1]
%tmp100.lobit5 = and i32 %tmp1004, 1 ; <i32> [#uses=1]
ret i32 %tmp100.lobit5
UnifiedReturnBlock: ; preds = %entry
ret i32 0
}
|
