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
36
37
38
39
40
41
42
43
44
45
|
; RUN: llc < %s -mtriple=i386-apple-darwin -disable-fp-elim | FileCheck %s
%struct.decode_t = type { i8, i8, i8, i8, i16, i8, i8, %struct.range_t** }
%struct.range_t = type { float, float, i32, i32, i32, [0 x i8] }
define i32 @decode_byte(%struct.decode_t* %decode) nounwind {
; CHECK-LABEL: decode_byte:
; CHECK: pushl
; CHECK: popl
; CHECK: jmp
; CHECK: popl
entry:
%tmp2 = getelementptr %struct.decode_t, %struct.decode_t* %decode, i32 0, i32 4 ; <i16*> [#uses=1]
%tmp23 = bitcast i16* %tmp2 to i32* ; <i32*> [#uses=1]
%tmp4 = load i32, i32* %tmp23 ; <i32> [#uses=1]
%tmp514 = lshr i32 %tmp4, 24 ; <i32> [#uses=1]
%tmp56 = trunc i32 %tmp514 to i8 ; <i8> [#uses=1]
%tmp7 = icmp eq i8 %tmp56, 0 ; <i1> [#uses=1]
br i1 %tmp7, label %UnifiedReturnBlock, label %cond_true
cond_true: ; preds = %entry
%tmp10 = tail call i32 @f( %struct.decode_t* %decode ) ; <i32> [#uses=1]
ret i32 %tmp10
UnifiedReturnBlock: ; preds = %entry
ret i32 0
}
declare i32 @f(%struct.decode_t*)
; There should be no store for the undef operand.
; CHECK: _test2:
; CHECK-NOT: 8(%esp)
; CHECK: 4(%esp)
; CHECK-NOT: 8(%esp)
; CHECK: calll
declare i32 @foo(i32, i32, i32)
define void @test2() nounwind {
entry:
%call = call i32 @foo(i32 8, i32 6, i32 undef)
ret void
}
|
