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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=thumbv8.1m.main-none-none-eabi -mattr=+mve -verify-machineinstrs -o - %s | FileCheck %s
define i32 @test(ptr nocapture readonly %x, ptr nocapture readonly %y, i32 %n) {
; CHECK-LABEL: test:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: .save {r7, lr}
; CHECK-NEXT: push {r7, lr}
; CHECK-NEXT: cmp r2, #1
; CHECK-NEXT: blt .LBB0_4
; CHECK-NEXT: @ %bb.1: @ %for.body.preheader
; CHECK-NEXT: mov lr, r0
; CHECK-NEXT: movs r0, #0
; CHECK-NEXT: .LBB0_2: @ %for.body
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: ldrh r3, [r1], #2
; CHECK-NEXT: subs r2, #1
; CHECK-NEXT: ldrh r12, [lr], #2
; CHECK-NEXT: @APP
; CHECK-NEXT: add r3, r12
; CHECK-NEXT: @NO_APP
; CHECK-NEXT: add r0, r3
; CHECK-NEXT: bne .LBB0_2
; CHECK-NEXT: @ %bb.3: @ %for.cond.cleanup
; CHECK-NEXT: pop {r7, pc}
; CHECK-NEXT: .LBB0_4:
; CHECK-NEXT: movs r0, #0
; CHECK-NEXT: pop {r7, pc}
entry:
%cmp9 = icmp sgt i32 %n, 0
br i1 %cmp9, label %for.body, label %for.cond.cleanup
for.cond.cleanup: ; preds = %for.body, %entry
%s.0.lcssa = phi i32 [ 0, %entry ], [ %add, %for.body ]
ret i32 %s.0.lcssa
for.body: ; preds = %entry, %for.body
%s.011 = phi i32 [ %add, %for.body ], [ 0, %entry ]
%i.010 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
%arrayidx = getelementptr inbounds i16, ptr %x, i32 %i.010
%0 = load i16, ptr %arrayidx, align 2
%arrayidx1 = getelementptr inbounds i16, ptr %y, i32 %i.010
%1 = load i16, ptr %arrayidx1, align 2
%2 = tail call i32 asm "add $0, $1, $2", "=r,r,r"(i16 %0, i16 %1) #1
%add = add nsw i32 %2, %s.011
%inc = add nuw nsw i32 %i.010, 1
%exitcond.not = icmp eq i32 %inc, %n
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
define i32 @testlr(ptr nocapture readonly %x, ptr nocapture readonly %y, i32 %n) {
; CHECK-LABEL: testlr:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: .save {r4, lr}
; CHECK-NEXT: push {r4, lr}
; CHECK-NEXT: cmp r2, #1
; CHECK-NEXT: blt .LBB1_4
; CHECK-NEXT: @ %bb.1: @ %for.body.preheader
; CHECK-NEXT: mov r3, r0
; CHECK-NEXT: movs r0, #0
; CHECK-NEXT: .LBB1_2: @ %for.body
; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
; CHECK-NEXT: ldrh r4, [r1], #2
; CHECK-NEXT: subs r2, #1
; CHECK-NEXT: ldrh r12, [r3], #2
; CHECK-NEXT: @APP
; CHECK-NEXT: add r4, r12
; CHECK-NEXT: @NO_APP
; CHECK-NEXT: add r0, r4
; CHECK-NEXT: bne .LBB1_2
; CHECK-NEXT: @ %bb.3: @ %for.cond.cleanup
; CHECK-NEXT: pop {r4, pc}
; CHECK-NEXT: .LBB1_4:
; CHECK-NEXT: movs r0, #0
; CHECK-NEXT: pop {r4, pc}
entry:
%cmp9 = icmp sgt i32 %n, 0
br i1 %cmp9, label %for.body, label %for.cond.cleanup
for.cond.cleanup: ; preds = %for.body, %entry
%s.0.lcssa = phi i32 [ 0, %entry ], [ %add, %for.body ]
ret i32 %s.0.lcssa
for.body: ; preds = %entry, %for.body
%s.011 = phi i32 [ %add, %for.body ], [ 0, %entry ]
%i.010 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
%arrayidx = getelementptr inbounds i16, ptr %x, i32 %i.010
%0 = load i16, ptr %arrayidx, align 2
%arrayidx1 = getelementptr inbounds i16, ptr %y, i32 %i.010
%1 = load i16, ptr %arrayidx1, align 2
%2 = tail call i32 asm "add $0, $1, $2", "=r,r,r,~{lr}"(i16 %0, i16 %1) #1
%add = add nsw i32 %2, %s.011
%inc = add nuw nsw i32 %i.010, 1
%exitcond.not = icmp eq i32 %inc, %n
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
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