llvm-project/llvm/test/CodeGen/ARM/loop-indexing.ll

1118 lines
53 KiB
LLVM

; RUN: llc --mtriple=thumbv7em -mattr=+fp-armv8 -O3 %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-DEFAULT --check-prefix=CHECK-T2
; RUN: llc -mtriple=thumbv8m.main -mattr=+fp-armv8,+dsp -O3 %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-DEFAULT --check-prefix=CHECK-T2
; RUN: llc -mtriple=thumbv8m.main -mattr=+fp-armv8,+dsp -lsr-backedge-indexing=false %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=DISABLED
; RUN: llc -mtriple=thumbv8m.base %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=DISABLED
; RUN: llc -mtriple=thumbv8 %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=DISABLED
; RUN: llc -mtriple=thumbv8m.main -mattr=+fp-armv8,+dsp -O3 -lsr-complexity-limit=2147483647 %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-COMPLEX --check-prefix=CHECK-T2
; Tests to check that post increment addressing modes are used instead of
; updating base pointers with add instructions.
; TODO: I think we should be able to use post inc addressing with VLDM
; instructions.
; CHECK-LABEL: test_fma
; CHECK: @ %loop
; CHECK-DEFAULT: vldr s{{.*}}, #8]
; CHECK-DEFAULT: vldr s{{.*}}, #8]
; CHECK-DEFAULT: vldr s{{.*}}, #12]
; CHECK-DEFAULT: vldr s{{.*}}, #12]
; CHECK-COMPLEX: vldr s{{.*}}, #8]
; CHECK-COMPLEX: vldr s{{.*}}, #8]
; CHECK-COMPLEX: vldr s{{.*}}, #12]
; CHECK-COMPLEX: vldr s{{.*}}, #12]
define float @test_fma(float* %a, float* %b, i32 %N) {
entry:
br label %loop
loop:
%i = phi i32 [ 0, %entry ], [ %i.next, %loop ]
%idx.1 = phi i32 [ 0, %entry ], [ %idx.next, %loop ]
%res = phi float [ 0.0, %entry ], [ %fma.2, %loop ]
%gep.a.1 = getelementptr inbounds float, float* %a, i32 %idx.1
%a.1 = load float, float* %gep.a.1
%gep.b.1 = getelementptr inbounds float, float* %b, i32 %idx.1
%b.1 = load float, float* %gep.b.1
%fmul.1 = fmul float %a.1, %b.1
%fma.1 = fadd float %fmul.1, %res
%idx.2 = or i32 %idx.1, 1
%gep.a.2 = getelementptr inbounds float, float* %a, i32 %idx.2
%a.2 = load float, float* %gep.a.2
%gep.b.2 = getelementptr inbounds float, float* %b, i32 %idx.2
%b.2 = load float, float* %gep.b.2
%fmul.2 = fmul float %a.2, %b.2
%fma.2 = fadd float %fmul.2, %fma.1
%i.next = add nsw nuw i32 %i, -2
%idx.next = add nsw nuw i32 %idx.1, 2
%cmp = icmp ult i32 %i.next, %N
br i1 %cmp, label %loop, label %exit
exit:
ret float %fma.2
}
; CHECK-LABEL: convolve_16bit
; TODO: Both arrays should use indexing
; CHECK-DEFAULT: ldr{{.*}}, #8]!
; CHECK-DEFAULT-NOT: ldr{{.*}}]!
; CHECK-COMPLEX: ldr{{.*}}, #8]!
; CHECK-COMPLEX-NOT: ldr{{.*}}]!
; DISABLED-NOT: ldr{{.*}}]!
; DISABLED-NOT: str{{.*}}]!
define void @convolve_16bit(i16** nocapture readonly %input_image, i16** nocapture readonly %filter,
i32 %filter_dim, i32 %out_width, i32 %out_height,
i32** nocapture readonly %convolved) {
entry:
%cmp92 = icmp eq i32 %out_height, 0
br i1 %cmp92, label %for.cond.cleanup, label %for.cond1.preheader.lr.ph
for.cond1.preheader.lr.ph: ; preds = %entry
%xtraiter = and i32 %filter_dim, 3
%unroll_iter = sub i32 %filter_dim, %xtraiter
br label %for.cond1.preheader
for.cond1.preheader: ; preds = %for.cond.cleanup3, %for.cond1.preheader.lr.ph
%res_y.093 = phi i32 [ 0, %for.cond1.preheader.lr.ph ], [ %add28, %for.cond.cleanup3 ]
%arrayidx22 = getelementptr inbounds i32*, i32** %convolved, i32 %res_y.093
%tmp3 = load i32*, i32** %arrayidx22, align 4
br label %for.cond9.preheader.us.us.preheader
for.cond9.preheader.us.us.preheader: ; preds = %for.cond5.for.cond.cleanup7_crit_edge.us, %for.cond5.preheader.lr.ph
%res_x.060.us = phi i32 [ %add25.us, %for.cond5.for.cond.cleanup7_crit_edge.us ], [ 0, %for.cond1.preheader ]
br label %for.cond9.preheader.us.us
for.cond9.preheader.us.us: ; preds = %for.cond9.for.cond.cleanup11_crit_edge.us.us, %for.cond9.preheader.us.us.preheader
%filter_y.056.us.us = phi i32 [ %inc20.us.us, %for.cond9.for.cond.cleanup11_crit_edge.us.us.unr-lcssa ], [ 0, %for.cond9.preheader.us.us.preheader ]
%result_element.055.us.us = phi i32 [ %add18.us.us.3, %for.cond9.for.cond.cleanup11_crit_edge.us.us.unr-lcssa ], [ 0, %for.cond9.preheader.us.us.preheader ]
%add.us.us = add i32 %filter_y.056.us.us, %res_y.093
%arrayidx.us.us = getelementptr inbounds i16*, i16** %filter, i32 %filter_y.056.us.us
%tmp5 = load i16*, i16** %arrayidx.us.us, align 4
%arrayidx15.us.us = getelementptr inbounds i16*, i16** %input_image, i32 %add.us.us
%tmp6 = load i16*, i16** %arrayidx15.us.us, align 4
br label %for.body12.us.us
for.body12.us.us: ; preds = %for.body12.us.us, %for.cond9.preheader.us.us
%filter_x.053.us.us = phi i32 [ %inc.us.us.3, %for.body12.us.us ], [ 0, %for.cond9.preheader.us.us ]
%result_element.152.us.us = phi i32 [ %add18.us.us.3, %for.body12.us.us ], [ %result_element.055.us.us, %for.cond9.preheader.us.us ]
%niter = phi i32 [ %niter.nsub.3, %for.body12.us.us ], [ %unroll_iter, %for.cond9.preheader.us.us ]
%add13.us.us = add i32 %filter_x.053.us.us, %res_x.060.us
%arrayidx14.us.us = getelementptr inbounds i16, i16* %tmp5, i32 %filter_x.053.us.us
%tmp9 = load i16, i16* %arrayidx14.us.us, align 2
%conv.us.us = sext i16 %tmp9 to i32
%arrayidx16.us.us = getelementptr inbounds i16, i16* %tmp6, i32 %add13.us.us
%tmp10 = load i16, i16* %arrayidx16.us.us, align 2
%conv17.us.us = sext i16 %tmp10 to i32
%mul.us.us = mul nsw i32 %conv17.us.us, %conv.us.us
%add18.us.us = add nsw i32 %mul.us.us, %result_element.152.us.us
%inc.us.us = or i32 %filter_x.053.us.us, 1
%add13.us.us.1 = add i32 %inc.us.us, %res_x.060.us
%arrayidx14.us.us.1 = getelementptr inbounds i16, i16* %tmp5, i32 %inc.us.us
%tmp11 = load i16, i16* %arrayidx14.us.us.1, align 2
%conv.us.us.1 = sext i16 %tmp11 to i32
%arrayidx16.us.us.1 = getelementptr inbounds i16, i16* %tmp6, i32 %add13.us.us.1
%tmp12 = load i16, i16* %arrayidx16.us.us.1, align 2
%conv17.us.us.1 = sext i16 %tmp12 to i32
%mul.us.us.1 = mul nsw i32 %conv17.us.us.1, %conv.us.us.1
%add18.us.us.1 = add nsw i32 %mul.us.us.1, %add18.us.us
%inc.us.us.1 = or i32 %filter_x.053.us.us, 2
%add13.us.us.2 = add i32 %inc.us.us.1, %res_x.060.us
%arrayidx14.us.us.2 = getelementptr inbounds i16, i16* %tmp5, i32 %inc.us.us.1
%tmp13 = load i16, i16* %arrayidx14.us.us.2, align 2
%conv.us.us.2 = sext i16 %tmp13 to i32
%arrayidx16.us.us.2 = getelementptr inbounds i16, i16* %tmp6, i32 %add13.us.us.2
%tmp14 = load i16, i16* %arrayidx16.us.us.2, align 2
%conv17.us.us.2 = sext i16 %tmp14 to i32
%mul.us.us.2 = mul nsw i32 %conv17.us.us.2, %conv.us.us.2
%add18.us.us.2 = add nsw i32 %mul.us.us.2, %add18.us.us.1
%inc.us.us.2 = or i32 %filter_x.053.us.us, 3
%add13.us.us.3 = add i32 %inc.us.us.2, %res_x.060.us
%arrayidx14.us.us.3 = getelementptr inbounds i16, i16* %tmp5, i32 %inc.us.us.2
%tmp15 = load i16, i16* %arrayidx14.us.us.3, align 2
%conv.us.us.3 = sext i16 %tmp15 to i32
%arrayidx16.us.us.3 = getelementptr inbounds i16, i16* %tmp6, i32 %add13.us.us.3
%tmp16 = load i16, i16* %arrayidx16.us.us.3, align 2
%conv17.us.us.3 = sext i16 %tmp16 to i32
%mul.us.us.3 = mul nsw i32 %conv17.us.us.3, %conv.us.us.3
%add18.us.us.3 = add nsw i32 %mul.us.us.3, %add18.us.us.2
%inc.us.us.3 = add i32 %filter_x.053.us.us, 4
%niter.nsub.3 = add i32 %niter, -4
%niter.ncmp.3 = icmp eq i32 %niter.nsub.3, 0
br i1 %niter.ncmp.3, label %for.cond9.for.cond.cleanup11_crit_edge.us.us.unr-lcssa, label %for.body12.us.us
for.cond9.for.cond.cleanup11_crit_edge.us.us.unr-lcssa: ; preds = %for.body12.us.us, %for.cond9.preheader.us.us
%inc20.us.us = add nuw i32 %filter_y.056.us.us, 1
%exitcond98 = icmp eq i32 %inc20.us.us, %filter_dim
br i1 %exitcond98, label %for.cond5.for.cond.cleanup7_crit_edge.us, label %for.cond9.preheader.us.us
for.cond5.for.cond.cleanup7_crit_edge.us: ; preds = %for.cond9.for.cond.cleanup11_crit_edge.us.us
%arrayidx23.us = getelementptr inbounds i32, i32* %tmp3, i32 %res_x.060.us
store i32 %add18.us.us.3, i32* %arrayidx23.us, align 4
%add25.us = add nuw i32 %res_x.060.us, 1
%exitcond99 = icmp eq i32 %add25.us, %out_width
br i1 %exitcond99, label %for.cond.cleanup3, label %for.cond9.preheader.us.us.preheader
for.cond.cleanup3: ; preds = %for.cond5.for.cond.cleanup7_crit_edge.us, %for.cond5.preheader.preheader, %for.cond1.preheader
%add28 = add nuw i32 %res_y.093, 1
%exitcond100 = icmp eq i32 %add28, %out_height
br i1 %exitcond100, label %for.cond.cleanup, label %for.cond1.preheader
for.cond.cleanup: ; preds = %for.cond.cleanup3, %entry
ret void
}
; CHECK-LABEL: mul_8x8
; CHECK: @ %for.body
; CHECK-DEFAULT: str{{.*}}, #16]!
; CHECK-DEFAULT: ldrb{{.*}}, #4]!
; CHECK-DEFAULT: ldrb{{.*}}, #4]!
; CHECK-COMPLEX: str{{.*}}, #16]!
; CHECK-COMPLEX: ldrb{{.*}}, #4]!
; CHECK-COMPLEX: ldrb{{.*}}, #4]!
; DISABLED-NOT: ldr{{.*}}]!
; DISABLED-NOT: str{{.*}}]!
; CHECK-T2: @ %for.body.epil
; CHECK-T2: ldrb{{.*}}, #1]!
; CHECK-T2: ldrb{{.*}}, #1]!
; CHECK-T2: str{{.*}}, #4]!
define void @mul_8x8(i8* nocapture readonly %A, i8* nocapture readonly %B, i32* nocapture %C, i32 %N) {
entry:
%cmp9 = icmp eq i32 %N, 0
br i1 %cmp9, label %for.cond.cleanup, label %for.body.preheader
for.body.preheader: ; preds = %entry
%tmp = add i32 %N, -1
%xtraiter = and i32 %N, 3
%tmp1 = icmp ult i32 %tmp, 3
br i1 %tmp1, label %for.cond.cleanup.loopexit.unr-lcssa, label %for.body.preheader.new
for.body.preheader.new: ; preds = %for.body.preheader
%unroll_iter = sub i32 %N, %xtraiter
br label %for.body
for.cond.cleanup.loopexit.unr-lcssa: ; preds = %for.body, %for.body.preheader
%i.010.unr = phi i32 [ 0, %for.body.preheader ], [ %inc.3, %for.body ]
%lcmp.mod = icmp eq i32 %xtraiter, 0
br i1 %lcmp.mod, label %for.cond.cleanup, label %for.body.epil
for.body.epil: ; preds = %for.body.epil, %for.cond.cleanup.loopexit.unr-lcssa
%i.010.epil = phi i32 [ %inc.epil, %for.body.epil ], [ %i.010.unr, %for.cond.cleanup.loopexit.unr-lcssa ]
%epil.iter = phi i32 [ %epil.iter.sub, %for.body.epil ], [ %xtraiter, %for.cond.cleanup.loopexit.unr-lcssa ]
%arrayidx.epil = getelementptr inbounds i8, i8* %A, i32 %i.010.epil
%tmp2 = load i8, i8* %arrayidx.epil, align 1
%conv.epil = zext i8 %tmp2 to i32
%arrayidx1.epil = getelementptr inbounds i8, i8* %B, i32 %i.010.epil
%tmp3 = load i8, i8* %arrayidx1.epil, align 1
%conv2.epil = zext i8 %tmp3 to i32
%mul.epil = mul nuw nsw i32 %conv2.epil, %conv.epil
%arrayidx3.epil = getelementptr inbounds i32, i32* %C, i32 %i.010.epil
store i32 %mul.epil, i32* %arrayidx3.epil, align 4
%inc.epil = add nuw i32 %i.010.epil, 1
%epil.iter.sub = add i32 %epil.iter, -1
%epil.iter.cmp = icmp eq i32 %epil.iter.sub, 0
br i1 %epil.iter.cmp, label %for.cond.cleanup, label %for.body.epil
for.cond.cleanup: ; preds = %for.body.epil, %for.cond.cleanup.loopexit.unr-lcssa, %entry
ret void
for.body: ; preds = %for.body, %for.body.preheader.new
%i.010 = phi i32 [ 0, %for.body.preheader.new ], [ %inc.3, %for.body ]
%niter = phi i32 [ %unroll_iter, %for.body.preheader.new ], [ %niter.nsub.3, %for.body ]
%arrayidx = getelementptr inbounds i8, i8* %A, i32 %i.010
%tmp4 = load i8, i8* %arrayidx, align 1
%conv = zext i8 %tmp4 to i32
%arrayidx1 = getelementptr inbounds i8, i8* %B, i32 %i.010
%tmp5 = load i8, i8* %arrayidx1, align 1
%conv2 = zext i8 %tmp5 to i32
%mul = mul nuw nsw i32 %conv2, %conv
%arrayidx3 = getelementptr inbounds i32, i32* %C, i32 %i.010
store i32 %mul, i32* %arrayidx3, align 4
%inc = or i32 %i.010, 1
%arrayidx.1 = getelementptr inbounds i8, i8* %A, i32 %inc
%tmp6 = load i8, i8* %arrayidx.1, align 1
%conv.1 = zext i8 %tmp6 to i32
%arrayidx1.1 = getelementptr inbounds i8, i8* %B, i32 %inc
%tmp7 = load i8, i8* %arrayidx1.1, align 1
%conv2.1 = zext i8 %tmp7 to i32
%mul.1 = mul nuw nsw i32 %conv2.1, %conv.1
%arrayidx3.1 = getelementptr inbounds i32, i32* %C, i32 %inc
store i32 %mul.1, i32* %arrayidx3.1, align 4
%inc.1 = or i32 %i.010, 2
%arrayidx.2 = getelementptr inbounds i8, i8* %A, i32 %inc.1
%tmp8 = load i8, i8* %arrayidx.2, align 1
%conv.2 = zext i8 %tmp8 to i32
%arrayidx1.2 = getelementptr inbounds i8, i8* %B, i32 %inc.1
%tmp9 = load i8, i8* %arrayidx1.2, align 1
%conv2.2 = zext i8 %tmp9 to i32
%mul.2 = mul nuw nsw i32 %conv2.2, %conv.2
%arrayidx3.2 = getelementptr inbounds i32, i32* %C, i32 %inc.1
store i32 %mul.2, i32* %arrayidx3.2, align 4
%inc.2 = or i32 %i.010, 3
%arrayidx.3 = getelementptr inbounds i8, i8* %A, i32 %inc.2
%tmp10 = load i8, i8* %arrayidx.3, align 1
%conv.3 = zext i8 %tmp10 to i32
%arrayidx1.3 = getelementptr inbounds i8, i8* %B, i32 %inc.2
%tmp11 = load i8, i8* %arrayidx1.3, align 1
%conv2.3 = zext i8 %tmp11 to i32
%mul.3 = mul nuw nsw i32 %conv2.3, %conv.3
%arrayidx3.3 = getelementptr inbounds i32, i32* %C, i32 %inc.2
store i32 %mul.3, i32* %arrayidx3.3, align 4
%inc.3 = add i32 %i.010, 4
%niter.nsub.3 = add i32 %niter, -4
%niter.ncmp.3 = icmp eq i32 %niter.nsub.3, 0
br i1 %niter.ncmp.3, label %for.cond.cleanup.loopexit.unr-lcssa, label %for.body
}
; CHECK-LABEL: mul_16x8
; CHECK: @ %for.body
; CHECK-DEFAULT: str{{.*}}, #16]!
; CHECK-DEFAULT: ldrsh{{.*}}, #8]!
; CHECK-COMPLEX: ldrsh{{.*}}, #8]!
; CHECK-COMPLEX: str{{.*}}, #16]!
; CHECK-COMPLEX: ldrb{{.*}}, #4]!
; DISABLED-NOT: ldr{{.*}}]!
; DISABLED-NOT: str{{.*}}]!
; CHECK-T2: @ %for.body.epil
; CHECK-T2: ldrsh{{.*}}, #2]!
; CHECK-T2: ldrb{{.*}}, #1]!
; CHECK-T2: str{{.*}}, #4]!
define void @mul_16x8(i16* nocapture readonly %A, i8* nocapture readonly %B, i32* nocapture %C, i32 %N) {
entry:
%cmp9 = icmp eq i32 %N, 0
br i1 %cmp9, label %for.cond.cleanup, label %for.body.preheader
for.body.preheader: ; preds = %entry
%tmp = add i32 %N, -1
%xtraiter = and i32 %N, 3
%tmp1 = icmp ult i32 %tmp, 3
br i1 %tmp1, label %for.cond.cleanup.loopexit.unr-lcssa, label %for.body.preheader.new
for.body.preheader.new: ; preds = %for.body.preheader
%unroll_iter = sub i32 %N, %xtraiter
br label %for.body
for.cond.cleanup.loopexit.unr-lcssa: ; preds = %for.body, %for.body.preheader
%i.010.unr = phi i32 [ 0, %for.body.preheader ], [ %inc.3, %for.body ]
%lcmp.mod = icmp eq i32 %xtraiter, 0
br i1 %lcmp.mod, label %for.cond.cleanup, label %for.body.epil
for.body.epil: ; preds = %for.body.epil, %for.cond.cleanup.loopexit.unr-lcssa
%i.010.epil = phi i32 [ %inc.epil, %for.body.epil ], [ %i.010.unr, %for.cond.cleanup.loopexit.unr-lcssa ]
%epil.iter = phi i32 [ %epil.iter.sub, %for.body.epil ], [ %xtraiter, %for.cond.cleanup.loopexit.unr-lcssa ]
%arrayidx.epil = getelementptr inbounds i16, i16* %A, i32 %i.010.epil
%tmp2 = load i16, i16* %arrayidx.epil, align 2
%conv.epil = sext i16 %tmp2 to i32
%arrayidx1.epil = getelementptr inbounds i8, i8* %B, i32 %i.010.epil
%tmp3 = load i8, i8* %arrayidx1.epil, align 1
%conv2.epil = zext i8 %tmp3 to i32
%mul.epil = mul nsw i32 %conv2.epil, %conv.epil
%arrayidx3.epil = getelementptr inbounds i32, i32* %C, i32 %i.010.epil
store i32 %mul.epil, i32* %arrayidx3.epil, align 4
%inc.epil = add nuw i32 %i.010.epil, 1
%epil.iter.sub = add i32 %epil.iter, -1
%epil.iter.cmp = icmp eq i32 %epil.iter.sub, 0
br i1 %epil.iter.cmp, label %for.cond.cleanup, label %for.body.epil
for.cond.cleanup: ; preds = %for.body.epil, %for.cond.cleanup.loopexit.unr-lcssa, %entry
ret void
for.body: ; preds = %for.body, %for.body.preheader.new
%i.010 = phi i32 [ 0, %for.body.preheader.new ], [ %inc.3, %for.body ]
%niter = phi i32 [ %unroll_iter, %for.body.preheader.new ], [ %niter.nsub.3, %for.body ]
%arrayidx = getelementptr inbounds i16, i16* %A, i32 %i.010
%tmp4 = load i16, i16* %arrayidx, align 2
%conv = sext i16 %tmp4 to i32
%arrayidx1 = getelementptr inbounds i8, i8* %B, i32 %i.010
%tmp5 = load i8, i8* %arrayidx1, align 1
%conv2 = zext i8 %tmp5 to i32
%mul = mul nsw i32 %conv2, %conv
%arrayidx3 = getelementptr inbounds i32, i32* %C, i32 %i.010
store i32 %mul, i32* %arrayidx3, align 4
%inc = or i32 %i.010, 1
%arrayidx.1 = getelementptr inbounds i16, i16* %A, i32 %inc
%tmp6 = load i16, i16* %arrayidx.1, align 2
%conv.1 = sext i16 %tmp6 to i32
%arrayidx1.1 = getelementptr inbounds i8, i8* %B, i32 %inc
%tmp7 = load i8, i8* %arrayidx1.1, align 1
%conv2.1 = zext i8 %tmp7 to i32
%mul.1 = mul nsw i32 %conv2.1, %conv.1
%arrayidx3.1 = getelementptr inbounds i32, i32* %C, i32 %inc
store i32 %mul.1, i32* %arrayidx3.1, align 4
%inc.1 = or i32 %i.010, 2
%arrayidx.2 = getelementptr inbounds i16, i16* %A, i32 %inc.1
%tmp8 = load i16, i16* %arrayidx.2, align 2
%conv.2 = sext i16 %tmp8 to i32
%arrayidx1.2 = getelementptr inbounds i8, i8* %B, i32 %inc.1
%tmp9 = load i8, i8* %arrayidx1.2, align 1
%conv2.2 = zext i8 %tmp9 to i32
%mul.2 = mul nsw i32 %conv2.2, %conv.2
%arrayidx3.2 = getelementptr inbounds i32, i32* %C, i32 %inc.1
store i32 %mul.2, i32* %arrayidx3.2, align 4
%inc.2 = or i32 %i.010, 3
%arrayidx.3 = getelementptr inbounds i16, i16* %A, i32 %inc.2
%tmp10 = load i16, i16* %arrayidx.3, align 2
%conv.3 = sext i16 %tmp10 to i32
%arrayidx1.3 = getelementptr inbounds i8, i8* %B, i32 %inc.2
%tmp11 = load i8, i8* %arrayidx1.3, align 1
%conv2.3 = zext i8 %tmp11 to i32
%mul.3 = mul nsw i32 %conv2.3, %conv.3
%arrayidx3.3 = getelementptr inbounds i32, i32* %C, i32 %inc.2
store i32 %mul.3, i32* %arrayidx3.3, align 4
%inc.3 = add i32 %i.010, 4
%niter.nsub.3 = add i32 %niter, -4
%niter.ncmp.3 = icmp eq i32 %niter.nsub.3, 0
br i1 %niter.ncmp.3, label %for.cond.cleanup.loopexit.unr-lcssa, label %for.body
}
; CHECK-LABEL: mul_16x16
; CHECK: @ %for.body
; TODO: pre-indexed loads
; CHECK-DEFAULT-NOT: ldrsh{{.*}}]!
; CHECK-DEFAULT: str{{.*}}, #16]!
; CHECK-DEFAULT-NOT: ldrsh{{.*}}]!
; CHECK-COMPLEX: ldrsh{{.*}}]!
; CHECK-COMPLEX: ldrsh{{.*}}]!
; CHECK-COMPLEX: str{{.*}}]!
; DISABLED-NOT: ldr{{.*}}]!
; DISABLED-NOT: str{{.*}}]!
; CHECK-T2: @ %for.body.epil
; CHECK-T2: ldrsh{{.*}}, #2]!
; CHECK-T2: ldrsh{{.*}}, #2]!
; CHECK-T2: str{{.*}}, #4]!
define void @mul_16x16(i16* nocapture readonly %A, i16* nocapture readonly %B, i32* nocapture %C, i32 %N) {
entry:
%cmp9 = icmp eq i32 %N, 0
br i1 %cmp9, label %for.cond.cleanup, label %for.body.preheader
for.body.preheader: ; preds = %entry
%tmp = add i32 %N, -1
%xtraiter = and i32 %N, 3
%tmp1 = icmp ult i32 %tmp, 3
br i1 %tmp1, label %for.cond.cleanup.loopexit.unr-lcssa, label %for.body.preheader.new
for.body.preheader.new: ; preds = %for.body.preheader
%unroll_iter = sub i32 %N, %xtraiter
br label %for.body
for.cond.cleanup.loopexit.unr-lcssa: ; preds = %for.body, %for.body.preheader
%i.010.unr = phi i32 [ 0, %for.body.preheader ], [ %inc.3, %for.body ]
%lcmp.mod = icmp eq i32 %xtraiter, 0
br i1 %lcmp.mod, label %for.cond.cleanup, label %for.body.epil
for.body.epil: ; preds = %for.body.epil, %for.cond.cleanup.loopexit.unr-lcssa
%i.010.epil = phi i32 [ %inc.epil, %for.body.epil ], [ %i.010.unr, %for.cond.cleanup.loopexit.unr-lcssa ]
%epil.iter = phi i32 [ %epil.iter.sub, %for.body.epil ], [ %xtraiter, %for.cond.cleanup.loopexit.unr-lcssa ]
%arrayidx.epil = getelementptr inbounds i16, i16* %A, i32 %i.010.epil
%tmp2 = load i16, i16* %arrayidx.epil, align 2
%conv.epil = sext i16 %tmp2 to i32
%arrayidx1.epil = getelementptr inbounds i16, i16* %B, i32 %i.010.epil
%tmp3 = load i16, i16* %arrayidx1.epil, align 2
%conv2.epil = sext i16 %tmp3 to i32
%mul.epil = mul nsw i32 %conv2.epil, %conv.epil
%arrayidx3.epil = getelementptr inbounds i32, i32* %C, i32 %i.010.epil
store i32 %mul.epil, i32* %arrayidx3.epil, align 4
%inc.epil = add nuw i32 %i.010.epil, 1
%epil.iter.sub = add i32 %epil.iter, -1
%epil.iter.cmp = icmp eq i32 %epil.iter.sub, 0
br i1 %epil.iter.cmp, label %for.cond.cleanup, label %for.body.epil
for.cond.cleanup: ; preds = %for.body.epil, %for.cond.cleanup.loopexit.unr-lcssa, %entry
ret void
for.body: ; preds = %for.body, %for.body.preheader.new
%i.010 = phi i32 [ 0, %for.body.preheader.new ], [ %inc.3, %for.body ]
%niter = phi i32 [ %unroll_iter, %for.body.preheader.new ], [ %niter.nsub.3, %for.body ]
%arrayidx = getelementptr inbounds i16, i16* %A, i32 %i.010
%tmp4 = load i16, i16* %arrayidx, align 2
%conv = sext i16 %tmp4 to i32
%arrayidx1 = getelementptr inbounds i16, i16* %B, i32 %i.010
%tmp5 = load i16, i16* %arrayidx1, align 2
%conv2 = sext i16 %tmp5 to i32
%mul = mul nsw i32 %conv2, %conv
%arrayidx3 = getelementptr inbounds i32, i32* %C, i32 %i.010
store i32 %mul, i32* %arrayidx3, align 4
%inc = or i32 %i.010, 1
%arrayidx.1 = getelementptr inbounds i16, i16* %A, i32 %inc
%tmp6 = load i16, i16* %arrayidx.1, align 2
%conv.1 = sext i16 %tmp6 to i32
%arrayidx1.1 = getelementptr inbounds i16, i16* %B, i32 %inc
%tmp7 = load i16, i16* %arrayidx1.1, align 2
%conv2.1 = sext i16 %tmp7 to i32
%mul.1 = mul nsw i32 %conv2.1, %conv.1
%arrayidx3.1 = getelementptr inbounds i32, i32* %C, i32 %inc
store i32 %mul.1, i32* %arrayidx3.1, align 4
%inc.1 = or i32 %i.010, 2
%arrayidx.2 = getelementptr inbounds i16, i16* %A, i32 %inc.1
%tmp8 = load i16, i16* %arrayidx.2, align 2
%conv.2 = sext i16 %tmp8 to i32
%arrayidx1.2 = getelementptr inbounds i16, i16* %B, i32 %inc.1
%tmp9 = load i16, i16* %arrayidx1.2, align 2
%conv2.2 = sext i16 %tmp9 to i32
%mul.2 = mul nsw i32 %conv2.2, %conv.2
%arrayidx3.2 = getelementptr inbounds i32, i32* %C, i32 %inc.1
store i32 %mul.2, i32* %arrayidx3.2, align 4
%inc.2 = or i32 %i.010, 3
%arrayidx.3 = getelementptr inbounds i16, i16* %A, i32 %inc.2
%tmp10 = load i16, i16* %arrayidx.3, align 2
%conv.3 = sext i16 %tmp10 to i32
%arrayidx1.3 = getelementptr inbounds i16, i16* %B, i32 %inc.2
%tmp11 = load i16, i16* %arrayidx1.3, align 2
%conv2.3 = sext i16 %tmp11 to i32
%mul.3 = mul nsw i32 %conv2.3, %conv.3
%arrayidx3.3 = getelementptr inbounds i32, i32* %C, i32 %inc.2
store i32 %mul.3, i32* %arrayidx3.3, align 4
%inc.3 = add i32 %i.010, 4
%niter.nsub.3 = add i32 %niter, -4
%niter.ncmp.3 = icmp eq i32 %niter.nsub.3, 0
br i1 %niter.ncmp.3, label %for.cond.cleanup.loopexit.unr-lcssa, label %for.body
}
; CHECK-LABEL: mul_8x8_2d
; CHECK: @ %for.body4.us
; CHECK-DEFAULT: ldr{{.*}}, #16]!
; CHECK-DEFAULT: ldrb{{.*}}, #4]!
; DISABLED-NOT: ldr{{.*}}]!
; DISABLED-NOT: str{{.*}}]!
; CHECK-T2: @ %for.body4.us.epil
; CHECK-T2: ldrb{{.*}}, #1]!
; CHECK-T2: ldr{{.*}}, #4]!
define void @mul_8x8_2d(i8* nocapture readonly %A, i8** nocapture readonly %B, i32** nocapture readonly %C, i32 %N, i32 %M) {
entry:
%cmp24 = icmp eq i32 %N, 0
%cmp222 = icmp eq i32 %M, 0
%or.cond = or i1 %cmp24, %cmp222
br i1 %or.cond, label %for.cond.cleanup, label %for.cond1.preheader.us.preheader
for.cond1.preheader.us.preheader: ; preds = %entry
%tmp = add i32 %M, -1
%xtraiter = and i32 %M, 3
%tmp1 = icmp ult i32 %tmp, 3
%unroll_iter = sub i32 %M, %xtraiter
%lcmp.mod = icmp eq i32 %xtraiter, 0
br label %for.cond1.preheader.us
for.cond1.preheader.us: ; preds = %for.cond1.for.cond.cleanup3_crit_edge.us, %for.cond1.preheader.us.preheader
%i.025.us = phi i32 [ %inc11.us, %for.cond1.for.cond.cleanup3_crit_edge.us ], [ 0, %for.cond1.preheader.us.preheader ]
%arrayidx.us = getelementptr inbounds i8, i8* %A, i32 %i.025.us
%arrayidx5.us = getelementptr inbounds i8*, i8** %B, i32 %i.025.us
%arrayidx8.us = getelementptr inbounds i32*, i32** %C, i32 %i.025.us
%.pre = load i8*, i8** %arrayidx5.us, align 4
%.pre30 = load i32*, i32** %arrayidx8.us, align 4
br i1 %tmp1, label %for.cond1.for.cond.cleanup3_crit_edge.us.unr-lcssa, label %for.body4.us
for.body4.us: ; preds = %for.body4.us, %for.cond1.preheader.us
%j.023.us = phi i32 [ %inc.us.3, %for.body4.us ], [ 0, %for.cond1.preheader.us ]
%niter = phi i32 [ %niter.nsub.3, %for.body4.us ], [ %unroll_iter, %for.cond1.preheader.us ]
%tmp2 = load i8, i8* %arrayidx.us, align 1
%conv.us = zext i8 %tmp2 to i32
%arrayidx6.us = getelementptr inbounds i8, i8* %.pre, i32 %j.023.us
%tmp3 = load i8, i8* %arrayidx6.us, align 1
%conv7.us = zext i8 %tmp3 to i32
%mul.us = mul nuw nsw i32 %conv7.us, %conv.us
%arrayidx9.us = getelementptr inbounds i32, i32* %.pre30, i32 %j.023.us
%tmp4 = load i32, i32* %arrayidx9.us, align 4
%add.us = add nsw i32 %tmp4, %mul.us
store i32 %add.us, i32* %arrayidx9.us, align 4
%inc.us = or i32 %j.023.us, 1
%tmp5 = load i8, i8* %arrayidx.us, align 1
%conv.us.1 = zext i8 %tmp5 to i32
%arrayidx6.us.1 = getelementptr inbounds i8, i8* %.pre, i32 %inc.us
%tmp6 = load i8, i8* %arrayidx6.us.1, align 1
%conv7.us.1 = zext i8 %tmp6 to i32
%mul.us.1 = mul nuw nsw i32 %conv7.us.1, %conv.us.1
%arrayidx9.us.1 = getelementptr inbounds i32, i32* %.pre30, i32 %inc.us
%tmp7 = load i32, i32* %arrayidx9.us.1, align 4
%add.us.1 = add nsw i32 %tmp7, %mul.us.1
store i32 %add.us.1, i32* %arrayidx9.us.1, align 4
%inc.us.1 = or i32 %j.023.us, 2
%tmp8 = load i8, i8* %arrayidx.us, align 1
%conv.us.2 = zext i8 %tmp8 to i32
%arrayidx6.us.2 = getelementptr inbounds i8, i8* %.pre, i32 %inc.us.1
%tmp9 = load i8, i8* %arrayidx6.us.2, align 1
%conv7.us.2 = zext i8 %tmp9 to i32
%mul.us.2 = mul nuw nsw i32 %conv7.us.2, %conv.us.2
%arrayidx9.us.2 = getelementptr inbounds i32, i32* %.pre30, i32 %inc.us.1
%tmp10 = load i32, i32* %arrayidx9.us.2, align 4
%add.us.2 = add nsw i32 %tmp10, %mul.us.2
store i32 %add.us.2, i32* %arrayidx9.us.2, align 4
%inc.us.2 = or i32 %j.023.us, 3
%tmp11 = load i8, i8* %arrayidx.us, align 1
%conv.us.3 = zext i8 %tmp11 to i32
%arrayidx6.us.3 = getelementptr inbounds i8, i8* %.pre, i32 %inc.us.2
%tmp12 = load i8, i8* %arrayidx6.us.3, align 1
%conv7.us.3 = zext i8 %tmp12 to i32
%mul.us.3 = mul nuw nsw i32 %conv7.us.3, %conv.us.3
%arrayidx9.us.3 = getelementptr inbounds i32, i32* %.pre30, i32 %inc.us.2
%tmp13 = load i32, i32* %arrayidx9.us.3, align 4
%add.us.3 = add nsw i32 %tmp13, %mul.us.3
store i32 %add.us.3, i32* %arrayidx9.us.3, align 4
%inc.us.3 = add i32 %j.023.us, 4
%niter.nsub.3 = add i32 %niter, -4
%niter.ncmp.3 = icmp eq i32 %niter.nsub.3, 0
br i1 %niter.ncmp.3, label %for.cond1.for.cond.cleanup3_crit_edge.us.unr-lcssa, label %for.body4.us
for.cond1.for.cond.cleanup3_crit_edge.us.unr-lcssa: ; preds = %for.body4.us, %for.cond1.preheader.us
%j.023.us.unr = phi i32 [ 0, %for.cond1.preheader.us ], [ %inc.us.3, %for.body4.us ]
br i1 %lcmp.mod, label %for.cond1.for.cond.cleanup3_crit_edge.us, label %for.body4.us.epil
for.body4.us.epil: ; preds = %for.body4.us.epil, %for.cond1.for.cond.cleanup3_crit_edge.us.unr-lcssa
%j.023.us.epil = phi i32 [ %inc.us.epil, %for.body4.us.epil ], [ %j.023.us.unr, %for.cond1.for.cond.cleanup3_crit_edge.us.unr-lcssa ]
%epil.iter = phi i32 [ %epil.iter.sub, %for.body4.us.epil ], [ %xtraiter, %for.cond1.for.cond.cleanup3_crit_edge.us.unr-lcssa ]
%tmp14 = load i8, i8* %arrayidx.us, align 1
%conv.us.epil = zext i8 %tmp14 to i32
%arrayidx6.us.epil = getelementptr inbounds i8, i8* %.pre, i32 %j.023.us.epil
%tmp15 = load i8, i8* %arrayidx6.us.epil, align 1
%conv7.us.epil = zext i8 %tmp15 to i32
%mul.us.epil = mul nuw nsw i32 %conv7.us.epil, %conv.us.epil
%arrayidx9.us.epil = getelementptr inbounds i32, i32* %.pre30, i32 %j.023.us.epil
%tmp16 = load i32, i32* %arrayidx9.us.epil, align 4
%add.us.epil = add nsw i32 %tmp16, %mul.us.epil
store i32 %add.us.epil, i32* %arrayidx9.us.epil, align 4
%inc.us.epil = add nuw i32 %j.023.us.epil, 1
%epil.iter.sub = add i32 %epil.iter, -1
%epil.iter.cmp = icmp eq i32 %epil.iter.sub, 0
br i1 %epil.iter.cmp, label %for.cond1.for.cond.cleanup3_crit_edge.us, label %for.body4.us.epil
for.cond1.for.cond.cleanup3_crit_edge.us: ; preds = %for.body4.us.epil, %for.cond1.for.cond.cleanup3_crit_edge.us.unr-lcssa
%inc11.us = add nuw i32 %i.025.us, 1
%exitcond28 = icmp eq i32 %inc11.us, %N
br i1 %exitcond28, label %for.cond.cleanup, label %for.cond1.preheader.us
for.cond.cleanup: ; preds = %for.cond1.for.cond.cleanup3_crit_edge.us, %entry
ret void
}
; CHECK-LABEL: mul_16x16_2d
; CHECK: @ %for.body4.us
; CHECK-DEFAULT: ldr{{.*}}, #16]!
; CHECK-DEFAULT: ldrsh{{.*}}, #8]!
; DISABLED-NOT: ldr{{.*}}]!
; DISABLED-NOT: str{{.*}}]!
; CHECK-T2: @ %for.body4.us.epil
; CHECK-T2: ldrsh{{.*}}, #2]!
; CHECK-T2: ldr{{.*}}, #4]!
define void @mul_16x16_2d(i16* nocapture readonly %A, i16** nocapture readonly %B, i32** nocapture readonly %C, i32 %N, i32 %M) {
entry:
%cmp24 = icmp eq i32 %N, 0
%cmp222 = icmp eq i32 %M, 0
%or.cond = or i1 %cmp24, %cmp222
br i1 %or.cond, label %for.cond.cleanup, label %for.cond1.preheader.us.preheader
for.cond1.preheader.us.preheader: ; preds = %entry
%tmp = add i32 %M, -1
%xtraiter = and i32 %M, 3
%tmp1 = icmp ult i32 %tmp, 3
%unroll_iter = sub i32 %M, %xtraiter
%lcmp.mod = icmp eq i32 %xtraiter, 0
br label %for.cond1.preheader.us
for.cond1.preheader.us: ; preds = %for.cond1.for.cond.cleanup3_crit_edge.us, %for.cond1.preheader.us.preheader
%i.025.us = phi i32 [ %inc11.us, %for.cond1.for.cond.cleanup3_crit_edge.us ], [ 0, %for.cond1.preheader.us.preheader ]
%arrayidx.us = getelementptr inbounds i16, i16* %A, i32 %i.025.us
%tmp2 = load i16, i16* %arrayidx.us, align 2
%conv.us = sext i16 %tmp2 to i32
%arrayidx5.us = getelementptr inbounds i16*, i16** %B, i32 %i.025.us
%tmp3 = load i16*, i16** %arrayidx5.us, align 4
%arrayidx8.us = getelementptr inbounds i32*, i32** %C, i32 %i.025.us
%tmp4 = load i32*, i32** %arrayidx8.us, align 4
br i1 %tmp1, label %for.cond1.for.cond.cleanup3_crit_edge.us.unr-lcssa, label %for.body4.us
for.body4.us: ; preds = %for.body4.us, %for.cond1.preheader.us
%j.023.us = phi i32 [ %inc.us.3, %for.body4.us ], [ 0, %for.cond1.preheader.us ]
%niter = phi i32 [ %niter.nsub.3, %for.body4.us ], [ %unroll_iter, %for.cond1.preheader.us ]
%arrayidx6.us = getelementptr inbounds i16, i16* %tmp3, i32 %j.023.us
%tmp5 = load i16, i16* %arrayidx6.us, align 2
%conv7.us = sext i16 %tmp5 to i32
%mul.us = mul nsw i32 %conv7.us, %conv.us
%arrayidx9.us = getelementptr inbounds i32, i32* %tmp4, i32 %j.023.us
%tmp6 = load i32, i32* %arrayidx9.us, align 4
%add.us = add nsw i32 %tmp6, %mul.us
store i32 %add.us, i32* %arrayidx9.us, align 4
%inc.us = or i32 %j.023.us, 1
%arrayidx6.us.1 = getelementptr inbounds i16, i16* %tmp3, i32 %inc.us
%tmp7 = load i16, i16* %arrayidx6.us.1, align 2
%conv7.us.1 = sext i16 %tmp7 to i32
%mul.us.1 = mul nsw i32 %conv7.us.1, %conv.us
%arrayidx9.us.1 = getelementptr inbounds i32, i32* %tmp4, i32 %inc.us
%tmp8 = load i32, i32* %arrayidx9.us.1, align 4
%add.us.1 = add nsw i32 %tmp8, %mul.us.1
store i32 %add.us.1, i32* %arrayidx9.us.1, align 4
%inc.us.1 = or i32 %j.023.us, 2
%arrayidx6.us.2 = getelementptr inbounds i16, i16* %tmp3, i32 %inc.us.1
%tmp9 = load i16, i16* %arrayidx6.us.2, align 2
%conv7.us.2 = sext i16 %tmp9 to i32
%mul.us.2 = mul nsw i32 %conv7.us.2, %conv.us
%arrayidx9.us.2 = getelementptr inbounds i32, i32* %tmp4, i32 %inc.us.1
%tmp10 = load i32, i32* %arrayidx9.us.2, align 4
%add.us.2 = add nsw i32 %tmp10, %mul.us.2
store i32 %add.us.2, i32* %arrayidx9.us.2, align 4
%inc.us.2 = or i32 %j.023.us, 3
%arrayidx6.us.3 = getelementptr inbounds i16, i16* %tmp3, i32 %inc.us.2
%tmp11 = load i16, i16* %arrayidx6.us.3, align 2
%conv7.us.3 = sext i16 %tmp11 to i32
%mul.us.3 = mul nsw i32 %conv7.us.3, %conv.us
%arrayidx9.us.3 = getelementptr inbounds i32, i32* %tmp4, i32 %inc.us.2
%tmp12 = load i32, i32* %arrayidx9.us.3, align 4
%add.us.3 = add nsw i32 %tmp12, %mul.us.3
store i32 %add.us.3, i32* %arrayidx9.us.3, align 4
%inc.us.3 = add i32 %j.023.us, 4
%niter.nsub.3 = add i32 %niter, -4
%niter.ncmp.3 = icmp eq i32 %niter.nsub.3, 0
br i1 %niter.ncmp.3, label %for.cond1.for.cond.cleanup3_crit_edge.us.unr-lcssa, label %for.body4.us
for.cond1.for.cond.cleanup3_crit_edge.us.unr-lcssa: ; preds = %for.body4.us, %for.cond1.preheader.us
%j.023.us.unr = phi i32 [ 0, %for.cond1.preheader.us ], [ %inc.us.3, %for.body4.us ]
br i1 %lcmp.mod, label %for.cond1.for.cond.cleanup3_crit_edge.us, label %for.body4.us.epil
for.body4.us.epil: ; preds = %for.body4.us.epil, %for.cond1.for.cond.cleanup3_crit_edge.us.unr-lcssa
%j.023.us.epil = phi i32 [ %inc.us.epil, %for.body4.us.epil ], [ %j.023.us.unr, %for.cond1.for.cond.cleanup3_crit_edge.us.unr-lcssa ]
%epil.iter = phi i32 [ %epil.iter.sub, %for.body4.us.epil ], [ %xtraiter, %for.cond1.for.cond.cleanup3_crit_edge.us.unr-lcssa ]
%arrayidx6.us.epil = getelementptr inbounds i16, i16* %tmp3, i32 %j.023.us.epil
%tmp13 = load i16, i16* %arrayidx6.us.epil, align 2
%conv7.us.epil = sext i16 %tmp13 to i32
%mul.us.epil = mul nsw i32 %conv7.us.epil, %conv.us
%arrayidx9.us.epil = getelementptr inbounds i32, i32* %tmp4, i32 %j.023.us.epil
%tmp14 = load i32, i32* %arrayidx9.us.epil, align 4
%add.us.epil = add nsw i32 %tmp14, %mul.us.epil
store i32 %add.us.epil, i32* %arrayidx9.us.epil, align 4
%inc.us.epil = add nuw i32 %j.023.us.epil, 1
%epil.iter.sub = add i32 %epil.iter, -1
%epil.iter.cmp = icmp eq i32 %epil.iter.sub, 0
br i1 %epil.iter.cmp, label %for.cond1.for.cond.cleanup3_crit_edge.us, label %for.body4.us.epil
for.cond1.for.cond.cleanup3_crit_edge.us: ; preds = %for.body4.us.epil, %for.cond1.for.cond.cleanup3_crit_edge.us.unr-lcssa
%inc11.us = add nuw i32 %i.025.us, 1
%exitcond28 = icmp eq i32 %inc11.us, %N
br i1 %exitcond28, label %for.cond.cleanup, label %for.cond1.preheader.us
for.cond.cleanup: ; preds = %for.cond1.for.cond.cleanup3_crit_edge.us, %entry
ret void
}
; CHECK-LABEL: mac_8x8_2d
; CHECK: @ %for.body4.us
; TODO: Both input arrays could use pre-indexed loads.
; TODO: pre-indexed stores.
; CHECK-DEFAULT: ldrb{{.*}}, #4]!
; CHECK-DEFAULT-NOT: ldr{{.*}}]!
; CHECK-DEFAULT-NOT: str{{.*}}]!
; TODO: Increased complexity shouldn't prevent indexed accesses.
; CHECK-COMPLEX-NOT: ldr{{.*}}]!
; CHECK-COMPLEX-NOT: str{{.*}}]!
; DISABLED-NOT: ldr{{.*}}]!
; DISABLED-NOT: str{{.*}}]!
; CHECK-T2: @ %for.body4.us.epil
; CHECK-T2: ldrb{{.*}}, #1]!
define void @mac_8x8_2d(i8* nocapture readonly %A, i8** nocapture readonly %B, i32* nocapture %C, i32 %N, i32 %M) {
entry:
%cmp22 = icmp eq i32 %N, 0
%cmp220 = icmp eq i32 %M, 0
%or.cond = or i1 %cmp22, %cmp220
br i1 %or.cond, label %for.cond.cleanup, label %for.cond1.preheader.us.preheader
for.cond1.preheader.us.preheader: ; preds = %entry
%tmp = add i32 %M, -1
%xtraiter = and i32 %M, 3
%tmp1 = icmp ult i32 %tmp, 3
%unroll_iter = sub i32 %M, %xtraiter
%lcmp.mod = icmp eq i32 %xtraiter, 0
br label %for.cond1.preheader.us
for.cond1.preheader.us: ; preds = %for.cond1.for.cond.cleanup3_crit_edge.us, %for.cond1.preheader.us.preheader
%i.023.us = phi i32 [ %inc10.us, %for.cond1.for.cond.cleanup3_crit_edge.us ], [ 0, %for.cond1.preheader.us.preheader ]
%arrayidx.us = getelementptr inbounds i8, i8* %A, i32 %i.023.us
%arrayidx5.us = getelementptr inbounds i8*, i8** %B, i32 %i.023.us
%arrayidx8.us = getelementptr inbounds i32, i32* %C, i32 %i.023.us
%.pre = load i8*, i8** %arrayidx5.us, align 4
%.pre28 = load i32, i32* %arrayidx8.us, align 4
br i1 %tmp1, label %for.cond1.for.cond.cleanup3_crit_edge.us.unr-lcssa, label %for.body4.us
for.body4.us: ; preds = %for.body4.us, %for.cond1.preheader.us
%tmp2 = phi i32 [ %add.us.3, %for.body4.us ], [ %.pre28, %for.cond1.preheader.us ]
%j.021.us = phi i32 [ %inc.us.3, %for.body4.us ], [ 0, %for.cond1.preheader.us ]
%niter = phi i32 [ %niter.nsub.3, %for.body4.us ], [ %unroll_iter, %for.cond1.preheader.us ]
%tmp3 = load i8, i8* %arrayidx.us, align 1
%conv.us = zext i8 %tmp3 to i32
%arrayidx6.us = getelementptr inbounds i8, i8* %.pre, i32 %j.021.us
%tmp4 = load i8, i8* %arrayidx6.us, align 1
%conv7.us = zext i8 %tmp4 to i32
%mul.us = mul nuw nsw i32 %conv7.us, %conv.us
%add.us = add nsw i32 %mul.us, %tmp2
store i32 %add.us, i32* %arrayidx8.us, align 4
%inc.us = or i32 %j.021.us, 1
%tmp5 = load i8, i8* %arrayidx.us, align 1
%conv.us.1 = zext i8 %tmp5 to i32
%arrayidx6.us.1 = getelementptr inbounds i8, i8* %.pre, i32 %inc.us
%tmp6 = load i8, i8* %arrayidx6.us.1, align 1
%conv7.us.1 = zext i8 %tmp6 to i32
%mul.us.1 = mul nuw nsw i32 %conv7.us.1, %conv.us.1
%add.us.1 = add nsw i32 %mul.us.1, %add.us
store i32 %add.us.1, i32* %arrayidx8.us, align 4
%inc.us.1 = or i32 %j.021.us, 2
%tmp7 = load i8, i8* %arrayidx.us, align 1
%conv.us.2 = zext i8 %tmp7 to i32
%arrayidx6.us.2 = getelementptr inbounds i8, i8* %.pre, i32 %inc.us.1
%tmp8 = load i8, i8* %arrayidx6.us.2, align 1
%conv7.us.2 = zext i8 %tmp8 to i32
%mul.us.2 = mul nuw nsw i32 %conv7.us.2, %conv.us.2
%add.us.2 = add nsw i32 %mul.us.2, %add.us.1
store i32 %add.us.2, i32* %arrayidx8.us, align 4
%inc.us.2 = or i32 %j.021.us, 3
%tmp9 = load i8, i8* %arrayidx.us, align 1
%conv.us.3 = zext i8 %tmp9 to i32
%arrayidx6.us.3 = getelementptr inbounds i8, i8* %.pre, i32 %inc.us.2
%tmp10 = load i8, i8* %arrayidx6.us.3, align 1
%conv7.us.3 = zext i8 %tmp10 to i32
%mul.us.3 = mul nuw nsw i32 %conv7.us.3, %conv.us.3
%add.us.3 = add nsw i32 %mul.us.3, %add.us.2
store i32 %add.us.3, i32* %arrayidx8.us, align 4
%inc.us.3 = add i32 %j.021.us, 4
%niter.nsub.3 = add i32 %niter, -4
%niter.ncmp.3 = icmp eq i32 %niter.nsub.3, 0
br i1 %niter.ncmp.3, label %for.cond1.for.cond.cleanup3_crit_edge.us.unr-lcssa, label %for.body4.us
for.cond1.for.cond.cleanup3_crit_edge.us.unr-lcssa: ; preds = %for.body4.us, %for.cond1.preheader.us
%.unr = phi i32 [ %.pre28, %for.cond1.preheader.us ], [ %add.us.3, %for.body4.us ]
%j.021.us.unr = phi i32 [ 0, %for.cond1.preheader.us ], [ %inc.us.3, %for.body4.us ]
br i1 %lcmp.mod, label %for.cond1.for.cond.cleanup3_crit_edge.us, label %for.body4.us.epil
for.body4.us.epil: ; preds = %for.body4.us.epil, %for.cond1.for.cond.cleanup3_crit_edge.us.unr-lcssa
%tmp11 = phi i32 [ %add.us.epil, %for.body4.us.epil ], [ %.unr, %for.cond1.for.cond.cleanup3_crit_edge.us.unr-lcssa ]
%j.021.us.epil = phi i32 [ %inc.us.epil, %for.body4.us.epil ], [ %j.021.us.unr, %for.cond1.for.cond.cleanup3_crit_edge.us.unr-lcssa ]
%epil.iter = phi i32 [ %epil.iter.sub, %for.body4.us.epil ], [ %xtraiter, %for.cond1.for.cond.cleanup3_crit_edge.us.unr-lcssa ]
%tmp12 = load i8, i8* %arrayidx.us, align 1
%conv.us.epil = zext i8 %tmp12 to i32
%arrayidx6.us.epil = getelementptr inbounds i8, i8* %.pre, i32 %j.021.us.epil
%tmp13 = load i8, i8* %arrayidx6.us.epil, align 1
%conv7.us.epil = zext i8 %tmp13 to i32
%mul.us.epil = mul nuw nsw i32 %conv7.us.epil, %conv.us.epil
%add.us.epil = add nsw i32 %mul.us.epil, %tmp11
store i32 %add.us.epil, i32* %arrayidx8.us, align 4
%inc.us.epil = add nuw i32 %j.021.us.epil, 1
%epil.iter.sub = add i32 %epil.iter, -1
%epil.iter.cmp = icmp eq i32 %epil.iter.sub, 0
br i1 %epil.iter.cmp, label %for.cond1.for.cond.cleanup3_crit_edge.us, label %for.body4.us.epil
for.cond1.for.cond.cleanup3_crit_edge.us: ; preds = %for.body4.us.epil, %for.cond1.for.cond.cleanup3_crit_edge.us.unr-lcssa
%inc10.us = add nuw i32 %i.023.us, 1
%exitcond26 = icmp eq i32 %inc10.us, %N
br i1 %exitcond26, label %for.cond.cleanup, label %for.cond1.preheader.us
for.cond.cleanup: ; preds = %for.cond1.for.cond.cleanup3_crit_edge.us, %entry
ret void
}
; CHECK-LABEL: mac_16x16_2d
; CHECK: @ %for.body4.us
; TODO: pre-indexed loads for both input arrays.
; CHECK-DEFAULT: ldrsh{{.*}}, #8]!
; CHECK-DEFAULT-NOT: ldr{{.*}}]!
; TODO: increased complexity should lead to better codegen.
; CHECK-COMPLEX-NOT: ldr{{.*}}]!
; DISABLED-NOT: ldr{{.*}}]!
; CHECK-T2: @ %for.body4.us.epil
; CHECK-T2: ldrsh{{.*}}, #2]!
define void @mac_16x16_2d(i16* nocapture readonly %A, i16** nocapture readonly %B, i32* nocapture %C, i32 %N, i32 %M) {
entry:
%cmp23 = icmp eq i32 %N, 0
%cmp220 = icmp eq i32 %M, 0
%or.cond = or i1 %cmp23, %cmp220
br i1 %or.cond, label %for.cond.cleanup, label %for.cond1.preheader.us.preheader
for.cond1.preheader.us.preheader: ; preds = %entry
%tmp = add i32 %M, -1
%xtraiter = and i32 %M, 3
%tmp1 = icmp ult i32 %tmp, 3
%unroll_iter = sub i32 %M, %xtraiter
%lcmp.mod = icmp eq i32 %xtraiter, 0
br label %for.cond1.preheader.us
for.cond1.preheader.us: ; preds = %for.cond1.for.cond.cleanup3_crit_edge.us, %for.cond1.preheader.us.preheader
%i.024.us = phi i32 [ %inc10.us, %for.cond1.for.cond.cleanup3_crit_edge.us ], [ 0, %for.cond1.preheader.us.preheader ]
%arrayidx.us = getelementptr inbounds i16, i16* %A, i32 %i.024.us
%tmp2 = load i16, i16* %arrayidx.us, align 2
%conv.us = sext i16 %tmp2 to i32
%arrayidx5.us = getelementptr inbounds i16*, i16** %B, i32 %i.024.us
%tmp3 = load i16*, i16** %arrayidx5.us, align 4
%arrayidx8.us = getelementptr inbounds i32, i32* %C, i32 %i.024.us
%arrayidx8.promoted.us = load i32, i32* %arrayidx8.us, align 4
br i1 %tmp1, label %for.cond1.for.cond.cleanup3_crit_edge.us.unr-lcssa, label %for.body4.us
for.body4.us: ; preds = %for.body4.us, %for.cond1.preheader.us
%add22.us = phi i32 [ %add.us.3, %for.body4.us ], [ %arrayidx8.promoted.us, %for.cond1.preheader.us ]
%j.021.us = phi i32 [ %inc.us.3, %for.body4.us ], [ 0, %for.cond1.preheader.us ]
%niter = phi i32 [ %niter.nsub.3, %for.body4.us ], [ %unroll_iter, %for.cond1.preheader.us ]
%arrayidx6.us = getelementptr inbounds i16, i16* %tmp3, i32 %j.021.us
%tmp4 = load i16, i16* %arrayidx6.us, align 2
%conv7.us = sext i16 %tmp4 to i32
%mul.us = mul nsw i32 %conv7.us, %conv.us
%add.us = add nsw i32 %mul.us, %add22.us
%inc.us = or i32 %j.021.us, 1
%arrayidx6.us.1 = getelementptr inbounds i16, i16* %tmp3, i32 %inc.us
%tmp5 = load i16, i16* %arrayidx6.us.1, align 2
%conv7.us.1 = sext i16 %tmp5 to i32
%mul.us.1 = mul nsw i32 %conv7.us.1, %conv.us
%add.us.1 = add nsw i32 %mul.us.1, %add.us
%inc.us.1 = or i32 %j.021.us, 2
%arrayidx6.us.2 = getelementptr inbounds i16, i16* %tmp3, i32 %inc.us.1
%tmp6 = load i16, i16* %arrayidx6.us.2, align 2
%conv7.us.2 = sext i16 %tmp6 to i32
%mul.us.2 = mul nsw i32 %conv7.us.2, %conv.us
%add.us.2 = add nsw i32 %mul.us.2, %add.us.1
%inc.us.2 = or i32 %j.021.us, 3
%arrayidx6.us.3 = getelementptr inbounds i16, i16* %tmp3, i32 %inc.us.2
%tmp7 = load i16, i16* %arrayidx6.us.3, align 2
%conv7.us.3 = sext i16 %tmp7 to i32
%mul.us.3 = mul nsw i32 %conv7.us.3, %conv.us
%add.us.3 = add nsw i32 %mul.us.3, %add.us.2
%inc.us.3 = add i32 %j.021.us, 4
%niter.nsub.3 = add i32 %niter, -4
%niter.ncmp.3 = icmp eq i32 %niter.nsub.3, 0
br i1 %niter.ncmp.3, label %for.cond1.for.cond.cleanup3_crit_edge.us.unr-lcssa, label %for.body4.us
for.cond1.for.cond.cleanup3_crit_edge.us.unr-lcssa: ; preds = %for.body4.us, %for.cond1.preheader.us
%add.us.lcssa.ph = phi i32 [ undef, %for.cond1.preheader.us ], [ %add.us.3, %for.body4.us ]
%add22.us.unr = phi i32 [ %arrayidx8.promoted.us, %for.cond1.preheader.us ], [ %add.us.3, %for.body4.us ]
%j.021.us.unr = phi i32 [ 0, %for.cond1.preheader.us ], [ %inc.us.3, %for.body4.us ]
br i1 %lcmp.mod, label %for.cond1.for.cond.cleanup3_crit_edge.us, label %for.body4.us.epil
for.body4.us.epil: ; preds = %for.body4.us.epil, %for.cond1.for.cond.cleanup3_crit_edge.us.unr-lcssa
%add22.us.epil = phi i32 [ %add.us.epil, %for.body4.us.epil ], [ %add22.us.unr, %for.cond1.for.cond.cleanup3_crit_edge.us.unr-lcssa ]
%j.021.us.epil = phi i32 [ %inc.us.epil, %for.body4.us.epil ], [ %j.021.us.unr, %for.cond1.for.cond.cleanup3_crit_edge.us.unr-lcssa ]
%epil.iter = phi i32 [ %epil.iter.sub, %for.body4.us.epil ], [ %xtraiter, %for.cond1.for.cond.cleanup3_crit_edge.us.unr-lcssa ]
%arrayidx6.us.epil = getelementptr inbounds i16, i16* %tmp3, i32 %j.021.us.epil
%tmp8 = load i16, i16* %arrayidx6.us.epil, align 2
%conv7.us.epil = sext i16 %tmp8 to i32
%mul.us.epil = mul nsw i32 %conv7.us.epil, %conv.us
%add.us.epil = add nsw i32 %mul.us.epil, %add22.us.epil
%inc.us.epil = add nuw i32 %j.021.us.epil, 1
%epil.iter.sub = add i32 %epil.iter, -1
%epil.iter.cmp = icmp eq i32 %epil.iter.sub, 0
br i1 %epil.iter.cmp, label %for.cond1.for.cond.cleanup3_crit_edge.us, label %for.body4.us.epil
for.cond1.for.cond.cleanup3_crit_edge.us: ; preds = %for.body4.us.epil, %for.cond1.for.cond.cleanup3_crit_edge.us.unr-lcssa
%add.us.lcssa = phi i32 [ %add.us.lcssa.ph, %for.cond1.for.cond.cleanup3_crit_edge.us.unr-lcssa ], [ %add.us.epil, %for.body4.us.epil ]
store i32 %add.us.lcssa, i32* %arrayidx8.us, align 4
%inc10.us = add nuw i32 %i.024.us, 1
%exitcond27 = icmp eq i32 %inc10.us, %N
br i1 %exitcond27, label %for.cond.cleanup, label %for.cond1.preheader.us
for.cond.cleanup: ; preds = %for.cond1.for.cond.cleanup3_crit_edge.us, %entry
ret void
}
; CHECK-LABEL: mul32x32_backwards
; CHECK: @ %for.body
; TODO: post increments for decreasing addresses
; CHECK-DEFAULT-NOT: ldr{{.*}}]!
; CHECK-DEFAULT-NOT: str{{.*}}]!
; CHECK-COMPLEX-NOT: ldr{{.*}}]!
; CHECK-COMPLEX-NOT: str{{.*}}]!
define void @mul32x32_backwards(i32* nocapture %a, i32* nocapture readonly %b, i32* nocapture readonly %c, i32 %N) {
entry:
%i.08 = add i32 %N, -1
%cmp9 = icmp sgt i32 %i.08, -1
br i1 %cmp9, label %for.body.preheader, label %for.cond.cleanup
for.body.preheader: ; preds = %entry
%xtraiter = and i32 %N, 3
%lcmp.mod = icmp eq i32 %xtraiter, 0
br i1 %lcmp.mod, label %for.body.prol.loopexit, label %for.body.prol
for.body.prol: ; preds = %for.body.prol, %for.body.preheader
%i.010.prol = phi i32 [ %i.0.prol, %for.body.prol ], [ %i.08, %for.body.preheader ]
%prol.iter = phi i32 [ %prol.iter.sub, %for.body.prol ], [ %xtraiter, %for.body.preheader ]
%arrayidx.prol = getelementptr inbounds i32, i32* %b, i32 %i.010.prol
%tmp = load i32, i32* %arrayidx.prol, align 4
%arrayidx1.prol = getelementptr inbounds i32, i32* %c, i32 %i.010.prol
%tmp1 = load i32, i32* %arrayidx1.prol, align 4
%mul.prol = mul nsw i32 %tmp1, %tmp
%arrayidx2.prol = getelementptr inbounds i32, i32* %a, i32 %i.010.prol
store i32 %mul.prol, i32* %arrayidx2.prol, align 4
%i.0.prol = add i32 %i.010.prol, -1
%prol.iter.sub = add i32 %prol.iter, -1
%prol.iter.cmp = icmp eq i32 %prol.iter.sub, 0
br i1 %prol.iter.cmp, label %for.body.prol.loopexit, label %for.body.prol
for.body.prol.loopexit: ; preds = %for.body.prol, %for.body.preheader
%i.010.unr = phi i32 [ %i.08, %for.body.preheader ], [ %i.0.prol, %for.body.prol ]
%tmp2 = icmp ult i32 %i.08, 3
br i1 %tmp2, label %for.cond.cleanup, label %for.body
for.cond.cleanup: ; preds = %for.body, %for.body.prol.loopexit, %entry
ret void
for.body: ; preds = %for.body, %for.body.prol.loopexit
%i.010 = phi i32 [ %i.0.3, %for.body ], [ %i.010.unr, %for.body.prol.loopexit ]
%arrayidx = getelementptr inbounds i32, i32* %b, i32 %i.010
%tmp3 = load i32, i32* %arrayidx, align 4
%arrayidx1 = getelementptr inbounds i32, i32* %c, i32 %i.010
%tmp4 = load i32, i32* %arrayidx1, align 4
%mul = mul nsw i32 %tmp4, %tmp3
%arrayidx2 = getelementptr inbounds i32, i32* %a, i32 %i.010
store i32 %mul, i32* %arrayidx2, align 4
%i.0 = add i32 %i.010, -1
%arrayidx.1 = getelementptr inbounds i32, i32* %b, i32 %i.0
%tmp5 = load i32, i32* %arrayidx.1, align 4
%arrayidx1.1 = getelementptr inbounds i32, i32* %c, i32 %i.0
%tmp6 = load i32, i32* %arrayidx1.1, align 4
%mul.1 = mul nsw i32 %tmp6, %tmp5
%arrayidx2.1 = getelementptr inbounds i32, i32* %a, i32 %i.0
store i32 %mul.1, i32* %arrayidx2.1, align 4
%i.0.1 = add i32 %i.010, -2
%arrayidx.2 = getelementptr inbounds i32, i32* %b, i32 %i.0.1
%tmp7 = load i32, i32* %arrayidx.2, align 4
%arrayidx1.2 = getelementptr inbounds i32, i32* %c, i32 %i.0.1
%tmp8 = load i32, i32* %arrayidx1.2, align 4
%mul.2 = mul nsw i32 %tmp8, %tmp7
%arrayidx2.2 = getelementptr inbounds i32, i32* %a, i32 %i.0.1
store i32 %mul.2, i32* %arrayidx2.2, align 4
%i.0.2 = add i32 %i.010, -3
%arrayidx.3 = getelementptr inbounds i32, i32* %b, i32 %i.0.2
%tmp9 = load i32, i32* %arrayidx.3, align 4
%arrayidx1.3 = getelementptr inbounds i32, i32* %c, i32 %i.0.2
%tmp10 = load i32, i32* %arrayidx1.3, align 4
%mul.3 = mul nsw i32 %tmp10, %tmp9
%arrayidx2.3 = getelementptr inbounds i32, i32* %a, i32 %i.0.2
store i32 %mul.3, i32* %arrayidx2.3, align 4
%i.0.3 = add i32 %i.010, -4
%cmp.3 = icmp sgt i32 %i.0.3, -1
br i1 %cmp.3, label %for.body, label %for.cond.cleanup
}
; CHECK-LABEL: mul32x32_forwards
; CHECK: @ %for.body
; TODO: Would be good for the complexity limit didn't have to be increased to
; enable the pre-indexed accesses.
; CHECK-DEFAULT-NOT: ldr{{.*}}]!
; CHECK-DEFAULT-NOT: str{{.*}}]!
; CHECK-COMPLEX: ldr{{.*}}, #16]!
; CHECK-COMPLEX: ldr{{.*}}, #16]!
; CHECK-COMPLEX: str{{.*}}, #16]!
; CHECK-T2: @ %for.body.epil
; CHECK-T2: ldr{{.*}}, #4]!
; CHECK-T2: ldr{{.*}}, #4]!
; CHECK-T2: str{{.*}}, #4]!
define void @mul32x32_forwards(i32* nocapture %a, i32* nocapture readonly %b, i32* nocapture readonly %c, i32 %N) {
entry:
%cmp8 = icmp eq i32 %N, 0
br i1 %cmp8, label %for.cond.cleanup, label %for.body.preheader
for.body.preheader: ; preds = %entry
%tmp = add i32 %N, -1
%xtraiter = and i32 %N, 3
%tmp1 = icmp ult i32 %tmp, 3
br i1 %tmp1, label %for.cond.cleanup.loopexit.unr-lcssa, label %for.body.preheader.new
for.body.preheader.new: ; preds = %for.body.preheader
%unroll_iter = sub i32 %N, %xtraiter
br label %for.body
for.cond.cleanup.loopexit.unr-lcssa: ; preds = %for.body, %for.body.preheader
%i.09.unr = phi i32 [ 0, %for.body.preheader ], [ %inc.3, %for.body ]
%lcmp.mod = icmp eq i32 %xtraiter, 0
br i1 %lcmp.mod, label %for.cond.cleanup, label %for.body.epil
for.body.epil: ; preds = %for.body.epil, %for.cond.cleanup.loopexit.unr-lcssa
%i.09.epil = phi i32 [ %inc.epil, %for.body.epil ], [ %i.09.unr, %for.cond.cleanup.loopexit.unr-lcssa ]
%epil.iter = phi i32 [ %epil.iter.sub, %for.body.epil ], [ %xtraiter, %for.cond.cleanup.loopexit.unr-lcssa ]
%arrayidx.epil = getelementptr inbounds i32, i32* %b, i32 %i.09.epil
%tmp2 = load i32, i32* %arrayidx.epil, align 4
%arrayidx1.epil = getelementptr inbounds i32, i32* %c, i32 %i.09.epil
%tmp3 = load i32, i32* %arrayidx1.epil, align 4
%mul.epil = mul nsw i32 %tmp3, %tmp2
%arrayidx2.epil = getelementptr inbounds i32, i32* %a, i32 %i.09.epil
store i32 %mul.epil, i32* %arrayidx2.epil, align 4
%inc.epil = add nuw nsw i32 %i.09.epil, 1
%epil.iter.sub = add i32 %epil.iter, -1
%epil.iter.cmp = icmp eq i32 %epil.iter.sub, 0
br i1 %epil.iter.cmp, label %for.cond.cleanup, label %for.body.epil
for.cond.cleanup: ; preds = %for.body.epil, %for.cond.cleanup.loopexit.unr-lcssa, %entry
ret void
for.body: ; preds = %for.body, %for.body.preheader.new
%i.09 = phi i32 [ 0, %for.body.preheader.new ], [ %inc.3, %for.body ]
%niter = phi i32 [ %unroll_iter, %for.body.preheader.new ], [ %niter.nsub.3, %for.body ]
%arrayidx = getelementptr inbounds i32, i32* %b, i32 %i.09
%tmp4 = load i32, i32* %arrayidx, align 4
%arrayidx1 = getelementptr inbounds i32, i32* %c, i32 %i.09
%tmp5 = load i32, i32* %arrayidx1, align 4
%mul = mul nsw i32 %tmp5, %tmp4
%arrayidx2 = getelementptr inbounds i32, i32* %a, i32 %i.09
store i32 %mul, i32* %arrayidx2, align 4
%inc = or i32 %i.09, 1
%arrayidx.1 = getelementptr inbounds i32, i32* %b, i32 %inc
%tmp6 = load i32, i32* %arrayidx.1, align 4
%arrayidx1.1 = getelementptr inbounds i32, i32* %c, i32 %inc
%tmp7 = load i32, i32* %arrayidx1.1, align 4
%mul.1 = mul nsw i32 %tmp7, %tmp6
%arrayidx2.1 = getelementptr inbounds i32, i32* %a, i32 %inc
store i32 %mul.1, i32* %arrayidx2.1, align 4
%inc.1 = or i32 %i.09, 2
%arrayidx.2 = getelementptr inbounds i32, i32* %b, i32 %inc.1
%tmp8 = load i32, i32* %arrayidx.2, align 4
%arrayidx1.2 = getelementptr inbounds i32, i32* %c, i32 %inc.1
%tmp9 = load i32, i32* %arrayidx1.2, align 4
%mul.2 = mul nsw i32 %tmp9, %tmp8
%arrayidx2.2 = getelementptr inbounds i32, i32* %a, i32 %inc.1
store i32 %mul.2, i32* %arrayidx2.2, align 4
%inc.2 = or i32 %i.09, 3
%arrayidx.3 = getelementptr inbounds i32, i32* %b, i32 %inc.2
%tmp10 = load i32, i32* %arrayidx.3, align 4
%arrayidx1.3 = getelementptr inbounds i32, i32* %c, i32 %inc.2
%tmp11 = load i32, i32* %arrayidx1.3, align 4
%mul.3 = mul nsw i32 %tmp11, %tmp10
%arrayidx2.3 = getelementptr inbounds i32, i32* %a, i32 %inc.2
store i32 %mul.3, i32* %arrayidx2.3, align 4
%inc.3 = add nuw nsw i32 %i.09, 4
%niter.nsub.3 = add i32 %niter, -4
%niter.ncmp.3 = icmp eq i32 %niter.nsub.3, 0
br i1 %niter.ncmp.3, label %for.cond.cleanup.loopexit.unr-lcssa, label %for.body
}