xref: /llvm-project/llvm/test/CodeGen/X86/fast-isel-call.ll (revision 61c44f1822d6c3dec0938b5b5a3dd300e856f44a)
1; RUN: llc < %s -O0 -fast-isel-abort=1 -mtriple=i686-apple-darwin8 2>/dev/null | FileCheck %s
2; RUN: llc < %s -O0 -fast-isel-abort=1 -mtriple=i686-apple-darwin8 2>&1 >/dev/null | FileCheck -check-prefix=STDERR -allow-empty %s
3; RUN: llc < %s -O0 -fast-isel-abort=1 -mtriple=i686 2>/dev/null | FileCheck %s --check-prefix=ELF
4
5%struct.s = type {i32, i32, i32}
6
7define i32 @test1() nounwind {
8tak:
9	%tmp = call i1 @foo()
10	br i1 %tmp, label %BB1, label %BB2
11BB1:
12	ret i32 1
13BB2:
14	ret i32 0
15; CHECK-LABEL: test1:
16; CHECK: calll
17; CHECK-NEXT: testb	$1
18}
19declare zeroext i1 @foo()  nounwind
20
21declare void @foo2(ptr byval(%struct.s))
22
23define void @test2(ptr %d) nounwind {
24  call void @foo2(ptr byval(%struct.s) %d )
25  ret void
26; CHECK-LABEL: test2:
27; CHECK: movl	(%eax), %ecx
28; CHECK: movl	%ecx, (%esp)
29; CHECK: movl	4(%eax), %ecx
30; CHECK: movl	%ecx, 4(%esp)
31; CHECK: movl	8(%eax), %eax
32; CHECK: movl	%eax, 8(%esp)
33}
34
35declare void @llvm.memset.p0.i32(ptr nocapture, i8, i32, i1) nounwind
36
37define void @test3(ptr %a) {
38  call void @llvm.memset.p0.i32(ptr %a, i8 0, i32 100, i1 false)
39  ret void
40; CHECK-LABEL: test3:
41; CHECK:   movl	{{.*}}, (%esp)
42; CHECK:   movl	$0, 4(%esp)
43; CHECK:   movl	$100, 8(%esp)
44; CHECK:   calll {{.*}}memset
45
46; ELF-LABEL: test3:
47; ELF:         calll memset{{$}}
48}
49
50declare void @llvm.memcpy.p0.p0.i32(ptr nocapture, ptr nocapture, i32, i1) nounwind
51
52define void @test4(ptr %a, ptr %b) {
53  call void @llvm.memcpy.p0.p0.i32(ptr %a, ptr %b, i32 100, i1 false)
54  ret void
55; CHECK-LABEL: test4:
56; CHECK:   movl	{{.*}}, (%esp)
57; CHECK:   movl	{{.*}}, 4(%esp)
58; CHECK:   movl	$100, 8(%esp)
59; CHECK:   calll {{.*}}memcpy
60
61; ELF-LABEL: test4:
62; ELF:         calll memcpy{{$}}
63}
64
65; STDERR-NOT: FastISel missed call:   call x86_thiscallcc void @thiscallfun
66%struct.S = type { i8 }
67define void @test5() {
68entry:
69  %s = alloca %struct.S, align 8
70; CHECK-LABEL: test5:
71; CHECK: subl $12, %esp
72; CHECK: leal 8(%esp), %ecx
73; CHECK: movl $43, (%esp)
74; CHECK: calll {{.*}}thiscallfun
75; CHECK: addl $8, %esp
76  call x86_thiscallcc void @thiscallfun(ptr %s, i32 43)
77  ret void
78}
79declare x86_thiscallcc void @thiscallfun(ptr, i32) #1
80
81; STDERR-NOT: FastISel missed call:   call x86_stdcallcc void @stdcallfun
82define void @test6() {
83entry:
84; CHECK-LABEL: test6:
85; CHECK: subl $12, %esp
86; CHECK: movl $43, (%esp)
87; CHECK: calll {{.*}}stdcallfun
88; CHECK: addl $8, %esp
89  call x86_stdcallcc void @stdcallfun(i32 43)
90  ret void
91}
92declare x86_stdcallcc void @stdcallfun(i32) #1
93