You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
96 lines
3.1 KiB
96 lines
3.1 KiB
; 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, #0
|
|
; ARM-NEXT: uxth r0, r0
|
|
; ARM-NEXT: cmp 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, #0
|
|
; THUMBV6M-NEXT: adds r0, r1, r0
|
|
; THUMBV6M-NEXT: adcs r3, r2
|
|
; THUMBV6M-NEXT: uxth r0, r3
|
|
; THUMBV6M-NEXT: ldr r1, .LCPI0_0
|
|
; THUMBV6M-NEXT: cmp r0, r1
|
|
; 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
|
|
; THUMBV6M-NEXT: .p2align 2
|
|
; THUMBV6M-NEXT: @ %bb.3:
|
|
; THUMBV6M-NEXT: .LCPI0_0:
|
|
; THUMBV6M-NEXT: .long 65535 @ 0xffff
|
|
;
|
|
; 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, #0
|
|
; THUMBV8M-BASE-NEXT: adds r0, r1, r0
|
|
; THUMBV8M-BASE-NEXT: adcs r3, r2
|
|
; THUMBV8M-BASE-NEXT: uxth r0, r3
|
|
; THUMBV8M-BASE-NEXT: movw r1, #65535
|
|
; THUMBV8M-BASE-NEXT: cmp r0, r1
|
|
; 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: movw r1, #65535
|
|
; THUMB-NEXT: sxth r2, r2
|
|
; THUMB-NEXT: adc r0, r2, #0
|
|
; THUMB-NEXT: uxth r0, r0
|
|
; THUMB-NEXT: cmp r0, r1
|
|
; 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
|
|
}
|