forked from OSchip/llvm-project
61 lines
1.6 KiB
LLVM
61 lines
1.6 KiB
LLVM
|
; RUN: llc -O2 -mtriple armv7a < %s | FileCheck --check-prefix=ARM %s
|
||
|
|
|
||
|
|
; RUN: llc -O2 -mtriple thumbv6m < %s | FileCheck --check-prefix=THUMB1 %s
|
||
|
|
; RUN: llc -O2 -mtriple thumbv8m.base < %s | FileCheck --check-prefix=THUMB1 %s
|
||
|
|
|
||
|
|
; RUN: llc -O2 -mtriple thumbv7a < %s | FileCheck --check-prefix=THUMB %s
|
||
|
|
; RUN: llc -O2 -mtriple thumbv8m.main < %s | FileCheck --check-prefix=THUMB %s
|
||
|
|
|
||
|
|
define void @fn1(i32 %a, i32 %b, i32 %c) local_unnamed_addr #0 {
|
||
|
|
entry:
|
||
|
|
|
||
|
|
; ARM: rsb r2, r2, #1
|
||
|
|
; ARM: adds r0, r1, r0
|
||
|
|
; ARM: movw r1, #65535
|
||
|
|
; ARM: sxth r2, r2
|
||
|
|
; ARM: adc r0, r2, #0
|
||
|
|
; ARM: tst r0, r1
|
||
|
|
; ARM: bxeq lr
|
||
|
|
; ARM: .LBB0_1:
|
||
|
|
; ARM: b .LBB0_1
|
||
|
|
|
||
|
|
; THUMB1: movs r3, #1
|
||
|
|
; THUMB1: subs r2, r3, r2
|
||
|
|
; THUMB1: sxth r2, r2
|
||
|
|
; THUMB1: movs r3, #0
|
||
|
|
; THUMB1: adds r0, r1, r0
|
||
|
|
; THUMB1: adcs r3, r2
|
||
|
|
; THUMB1: lsls r0, r3, #16
|
||
|
|
; THUMB1: beq .LBB0_2
|
||
|
|
; THUMB1: .LBB0_1:
|
||
|
|
; THUMB1: b .LBB0_1
|
||
|
|
|
||
|
|
; THUMB: rsb.w r2, r2, #1
|
||
|
|
; THUMB: adds r0, r0, r1
|
||
|
|
; THUMB: sxth r2, r2
|
||
|
|
; THUMB: adc r0, r2, #0
|
||
|
|
; THUMB: lsls r0, r0, #16
|
||
|
|
; THUMB: it eq
|
||
|
|
; THUMB: bxeq lr
|
||
|
|
; THUMB: .LBB0_1:
|
||
|
|
; THUMB: b .LBB0_1
|
||
|
|
|
||
|
|
%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
|
||
|
|
}
|