Gitiles
Code Review Sign In
gerrit-public.fairphone.software / toolchain / llvm-project / 00b51bf123d83d19b4dfc916676a7aed1b9da41e / . / llvm / test / CodeGen / ARM / divmod.ll
blob: 9336d0c477d1b907ab410e722796a5a996b90c1a [file] [log] [blame]
Evan Cheng21c4adc2012-10-12 01:15:47 +0000[diff] [blame]1; RUN: llc < %s -mtriple=arm-apple-ios5.0 -mcpu=cortex-a8 | FileCheck %s -check-prefix=A8
2; RUN: llc < %s -mtriple=arm-apple-ios5.0 -mcpu=swift | FileCheck %s -check-prefix=SWIFT
3
4; rdar://12481395
Bob Wilsonbc158992011-10-07 16:59:21 +0000[diff] [blame]5
6define void @foo(i32 %x, i32 %y, i32* nocapture %P) nounwind ssp {
7entry:
Stephen Lind24ab202013-07-14 06:24:09 +0000[diff] [blame]8; A8-LABEL: foo:
Evan Cheng21c4adc2012-10-12 01:15:47 +0000[diff] [blame]9; A8: bl ___divmodsi4
10; A8-NOT: bl ___divmodsi4
11
Stephen Lind24ab202013-07-14 06:24:09 +0000[diff] [blame]12; SWIFT-LABEL: foo:
Evan Cheng21c4adc2012-10-12 01:15:47 +0000[diff] [blame]13; SWIFT: sdiv
14; SWIFT: mls
15; SWIFT-NOT: bl __divmodsi4
Bob Wilsonbc158992011-10-07 16:59:21 +0000[diff] [blame]16 %div = sdiv i32 %x, %y
17 store i32 %div, i32* %P, align 4
18 %rem = srem i32 %x, %y
David Blaikie79e6c742015-02-27 19:29:02 +0000[diff] [blame]19 %arrayidx6 = getelementptr inbounds i32, i32* %P, i32 1
Bob Wilsonbc158992011-10-07 16:59:21 +0000[diff] [blame]20 store i32 %rem, i32* %arrayidx6, align 4
21 ret void
22}
23
24define void @bar(i32 %x, i32 %y, i32* nocapture %P) nounwind ssp {
25entry:
Stephen Lind24ab202013-07-14 06:24:09 +0000[diff] [blame]26; A8-LABEL: bar:
Evan Cheng21c4adc2012-10-12 01:15:47 +0000[diff] [blame]27; A8: bl ___udivmodsi4
28; A8-NOT: bl ___udivmodsi4
29
Stephen Lind24ab202013-07-14 06:24:09 +0000[diff] [blame]30; SWIFT-LABEL: bar:
Evan Cheng21c4adc2012-10-12 01:15:47 +0000[diff] [blame]31; SWIFT: udiv
32; SWIFT: mls
33; SWIFT-NOT: bl __udivmodsi4
Bob Wilsonbc158992011-10-07 16:59:21 +0000[diff] [blame]34 %div = udiv i32 %x, %y
35 store i32 %div, i32* %P, align 4
36 %rem = urem i32 %x, %y
David Blaikie79e6c742015-02-27 19:29:02 +0000[diff] [blame]37 %arrayidx6 = getelementptr inbounds i32, i32* %P, i32 1
Bob Wilsonbc158992011-10-07 16:59:21 +0000[diff] [blame]38 store i32 %rem, i32* %arrayidx6, align 4
39 ret void
40}
41
42; rdar://9280991
43@flags = external unnamed_addr global i32
44@tabsize = external unnamed_addr global i32
45
46define void @do_indent(i32 %cols) nounwind {
47entry:
Stephen Lind24ab202013-07-14 06:24:09 +0000[diff] [blame]48; A8-LABEL: do_indent:
49; SWIFT-LABEL: do_indent:
David Blaikiea79ac142015-02-27 21:17:42 +0000[diff] [blame]50 %0 = load i32, i32* @flags, align 4
Bob Wilsonbc158992011-10-07 16:59:21 +0000[diff] [blame]51 %1 = and i32 %0, 67108864
52 %2 = icmp eq i32 %1, 0
53 br i1 %2, label %bb1, label %bb
54
55bb:
Evan Cheng21c4adc2012-10-12 01:15:47 +0000[diff] [blame]56; A8: bl ___divmodsi4
57; SWIFT: sdiv
58; SWIFT: mls
59; SWIFT-NOT: bl __divmodsi4
David Blaikiea79ac142015-02-27 21:17:42 +0000[diff] [blame]60 %3 = load i32, i32* @tabsize, align 4
Bob Wilsonbc158992011-10-07 16:59:21 +0000[diff] [blame]61 %4 = srem i32 %cols, %3
62 %5 = sdiv i32 %cols, %3
Matt Arsenaultfbcbce42013-10-07 18:06:48 +0000[diff] [blame]63 %6 = tail call i32 @llvm.objectsize.i32.p0i8(i8* null, i1 false)
Bob Wilsonbc158992011-10-07 16:59:21 +0000[diff] [blame]64 %7 = tail call i8* @__memset_chk(i8* null, i32 9, i32 %5, i32 %6) nounwind
65 br label %bb1
66
67bb1:
68 %line_indent_len.0 = phi i32 [ %4, %bb ], [ 0, %entry ]
David Blaikie79e6c742015-02-27 19:29:02 +0000[diff] [blame]69 %8 = getelementptr inbounds i8, i8* null, i32 %line_indent_len.0
Bob Wilsonbc158992011-10-07 16:59:21 +0000[diff] [blame]70 store i8 0, i8* %8, align 1
71 ret void
72}
73
Matt Arsenaultfbcbce42013-10-07 18:06:48 +0000[diff] [blame]74declare i32 @llvm.objectsize.i32.p0i8(i8*, i1) nounwind readnone
Bob Wilsonbc158992011-10-07 16:59:21 +0000[diff] [blame]75declare i8* @__memset_chk(i8*, i32, i32, i32) nounwind
Evan Cheng8c2ad812012-06-21 05:56:05 +0000[diff] [blame]76
77; rdar://11714607
78define i32 @howmany(i32 %x, i32 %y) nounwind {
79entry:
Stephen Lind24ab202013-07-14 06:24:09 +0000[diff] [blame]80; A8-LABEL: howmany:
Evan Cheng21c4adc2012-10-12 01:15:47 +0000[diff] [blame]81; A8: bl ___udivmodsi4
82; A8-NOT: ___udivsi3
83
Stephen Lind24ab202013-07-14 06:24:09 +0000[diff] [blame]84; SWIFT-LABEL: howmany:
Evan Cheng21c4adc2012-10-12 01:15:47 +0000[diff] [blame]85; SWIFT: udiv
86; SWIFT: mls
87; SWIFT-NOT: bl __udivmodsi4
Evan Cheng8c2ad812012-06-21 05:56:05 +0000[diff] [blame]88 %rem = urem i32 %x, %y
89 %div = udiv i32 %x, %y
90 %not.cmp = icmp ne i32 %rem, 0
91 %add = zext i1 %not.cmp to i32
92 %cond = add i32 %add, %div
93 ret i32 %cond
94}