1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc -O2 -mtriple armv7a < %s | FileCheck --check-prefixes=ARM %s
4 ; RUN: llc -O2 -mtriple thumbv6m < %s | FileCheck --check-prefixes=THUMBV6M %s
5 ; RUN: llc -O2 -mtriple thumbv8m.base < %s | FileCheck --check-prefixes=THUMBV8M-BASE %s
7 ; RUN: llc -O2 -mtriple thumbv7a < %s | FileCheck --check-prefixes=THUMB %s
8 ; RUN: llc -O2 -mtriple thumbv8m.main < %s | FileCheck --check-prefixes=THUMB %s
10 define void @fn1(i32 %a, i32 %b, i32 %c) local_unnamed_addr #0 {
12 ; ARM: @ %bb.0: @ %entry
13 ; ARM-NEXT: rsb r2, r2, #0
14 ; ARM-NEXT: adds r0, r1, r0
15 ; ARM-NEXT: movw r1, #65535
16 ; ARM-NEXT: sxth r2, r2
17 ; ARM-NEXT: adc r0, r2, #0
18 ; ARM-NEXT: uxth r0, r0
19 ; ARM-NEXT: cmp r0, r1
21 ; ARM-NEXT: .LBB0_1: @ %for.cond
22 ; ARM-NEXT: @ =>This Inner Loop Header: Depth=1
25 ; THUMBV6M-LABEL: fn1:
26 ; THUMBV6M: @ %bb.0: @ %entry
27 ; THUMBV6M-NEXT: rsbs r2, r2, #0
28 ; THUMBV6M-NEXT: sxth r2, r2
29 ; THUMBV6M-NEXT: movs r3, #0
30 ; THUMBV6M-NEXT: adds r0, r1, r0
31 ; THUMBV6M-NEXT: adcs r3, r2
32 ; THUMBV6M-NEXT: uxth r0, r3
33 ; THUMBV6M-NEXT: ldr r1, .LCPI0_0
34 ; THUMBV6M-NEXT: cmp r0, r1
35 ; THUMBV6M-NEXT: beq .LBB0_2
36 ; THUMBV6M-NEXT: .LBB0_1: @ %for.cond
37 ; THUMBV6M-NEXT: @ =>This Inner Loop Header: Depth=1
38 ; THUMBV6M-NEXT: b .LBB0_1
39 ; THUMBV6M-NEXT: .LBB0_2: @ %if.end
40 ; THUMBV6M-NEXT: bx lr
41 ; THUMBV6M-NEXT: .p2align 2
42 ; THUMBV6M-NEXT: @ %bb.3:
43 ; THUMBV6M-NEXT: .LCPI0_0:
44 ; THUMBV6M-NEXT: .long 65535 @ 0xffff
46 ; THUMBV8M-BASE-LABEL: fn1:
47 ; THUMBV8M-BASE: @ %bb.0: @ %entry
48 ; THUMBV8M-BASE-NEXT: rsbs r2, r2, #0
49 ; THUMBV8M-BASE-NEXT: sxth r2, r2
50 ; THUMBV8M-BASE-NEXT: movs r3, #0
51 ; THUMBV8M-BASE-NEXT: adds r0, r1, r0
52 ; THUMBV8M-BASE-NEXT: adcs r3, r2
53 ; THUMBV8M-BASE-NEXT: uxth r0, r3
54 ; THUMBV8M-BASE-NEXT: movw r1, #65535
55 ; THUMBV8M-BASE-NEXT: cmp r0, r1
56 ; THUMBV8M-BASE-NEXT: beq .LBB0_2
57 ; THUMBV8M-BASE-NEXT: .LBB0_1: @ %for.cond
58 ; THUMBV8M-BASE-NEXT: @ =>This Inner Loop Header: Depth=1
59 ; THUMBV8M-BASE-NEXT: b .LBB0_1
60 ; THUMBV8M-BASE-NEXT: .LBB0_2: @ %if.end
61 ; THUMBV8M-BASE-NEXT: bx lr
64 ; THUMB: @ %bb.0: @ %entry
65 ; THUMB-NEXT: rsbs r2, r2, #0
66 ; THUMB-NEXT: adds r0, r0, r1
67 ; THUMB-NEXT: movw r1, #65535
68 ; THUMB-NEXT: sxth r2, r2
69 ; THUMB-NEXT: adc r0, r2, #0
70 ; THUMB-NEXT: uxth r0, r0
71 ; THUMB-NEXT: cmp r0, r1
74 ; THUMB-NEXT: .LBB0_1: @ %for.cond
75 ; THUMB-NEXT: @ =>This Inner Loop Header: Depth=1
76 ; THUMB-NEXT: b .LBB0_1
79 %cmp = icmp ult i32 %add, %b
80 %conv = zext i1 %cmp to i32
82 %add1 = add i32 %sub, %conv
83 %conv2 = trunc i32 %add1 to i16
84 %tobool = icmp eq i16 %conv2, 0
85 br i1 %tobool, label %if.end, label %for.cond.preheader
87 for.cond.preheader: ; preds = %entry
90 for.cond: ; preds = %for.cond.preheader, %for.cond
93 if.end: ; preds = %entry