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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -O2 -mtriple armv7a < %s | FileCheck --check-prefixes=ARM %s
; RUN: llc -O2 -mtriple thumbv6m < %s | FileCheck --check-prefixes=THUMBV6M %s
; RUN: llc -O2 -mtriple thumbv8m.base < %s | FileCheck --check-prefixes=THUMBV8M-BASE %s
; RUN: llc -O2 -mtriple thumbv7a < %s | FileCheck --check-prefixes=THUMB %s
; RUN: llc -O2 -mtriple thumbv8m.main < %s | FileCheck --check-prefixes=THUMB %s
define void @fn1(i32 %a, i32 %b, i32 %c) local_unnamed_addr #0 {
; ARM-LABEL: fn1:
; ARM: @ %bb.0: @ %entry
; ARM-NEXT: rsb r2, r2, #0
; ARM-NEXT: adds r0, r1, r0
; ARM-NEXT: movw r1, #65535
; ARM-NEXT: sxth r2, r2
; ARM-NEXT: adc r0, r2, #1
; ARM-NEXT: tst r0, r1
; ARM-NEXT: bxeq lr
; ARM-NEXT: .LBB0_1: @ %for.cond
; ARM-NEXT: @ =>This Inner Loop Header: Depth=1
; ARM-NEXT: b .LBB0_1
;
; THUMBV6M-LABEL: fn1:
; THUMBV6M: @ %bb.0: @ %entry
; THUMBV6M-NEXT: rsbs r2, r2, #0
; THUMBV6M-NEXT: sxth r2, r2
; THUMBV6M-NEXT: movs r3, #1
; THUMBV6M-NEXT: adds r0, r1, r0
; THUMBV6M-NEXT: adcs r3, r2
; THUMBV6M-NEXT: lsls r0, r3, #16
; THUMBV6M-NEXT: beq .LBB0_2
; THUMBV6M-NEXT: .LBB0_1: @ %for.cond
; THUMBV6M-NEXT: @ =>This Inner Loop Header: Depth=1
; THUMBV6M-NEXT: b .LBB0_1
; THUMBV6M-NEXT: .LBB0_2: @ %if.end
; THUMBV6M-NEXT: bx lr
;
; THUMBV8M-BASE-LABEL: fn1:
; THUMBV8M-BASE: @ %bb.0: @ %entry
; THUMBV8M-BASE-NEXT: rsbs r2, r2, #0
; THUMBV8M-BASE-NEXT: sxth r2, r2
; THUMBV8M-BASE-NEXT: movs r3, #1
; THUMBV8M-BASE-NEXT: adds r0, r1, r0
; THUMBV8M-BASE-NEXT: adcs r3, r2
; THUMBV8M-BASE-NEXT: lsls r0, r3, #16
; THUMBV8M-BASE-NEXT: beq .LBB0_2
; THUMBV8M-BASE-NEXT: .LBB0_1: @ %for.cond
; THUMBV8M-BASE-NEXT: @ =>This Inner Loop Header: Depth=1
; THUMBV8M-BASE-NEXT: b .LBB0_1
; THUMBV8M-BASE-NEXT: .LBB0_2: @ %if.end
; THUMBV8M-BASE-NEXT: bx lr
;
; THUMB-LABEL: fn1:
; THUMB: @ %bb.0: @ %entry
; THUMB-NEXT: rsbs r2, r2, #0
; THUMB-NEXT: adds r0, r0, r1
; THUMB-NEXT: sxth r2, r2
; THUMB-NEXT: adc r0, r2, #1
; THUMB-NEXT: lsls r0, r0, #16
; THUMB-NEXT: it eq
; THUMB-NEXT: bxeq lr
; THUMB-NEXT: .LBB0_1: @ %for.cond
; THUMB-NEXT: @ =>This Inner Loop Header: Depth=1
; THUMB-NEXT: b .LBB0_1
entry:
%add = add i32 %b, %a
%cmp = icmp ult i32 %add, %b
%conv = zext i1 %cmp to i32
%sub = sub i32 1, %c
%add1 = add i32 %sub, %conv
%conv2 = trunc i32 %add1 to i16
%tobool = icmp eq i16 %conv2, 0
br i1 %tobool, label %if.end, label %for.cond.preheader
for.cond.preheader: ; preds = %entry
br label %for.cond
for.cond: ; preds = %for.cond.preheader, %for.cond
br label %for.cond
if.end: ; preds = %entry
ret void
}
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