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clang-p2996/llvm/test/Transforms/SLPVectorizer/X86/tiny-tree.ll
Philip Reames 7d6e8f2a96 [slp] Delete dead scalar instructions feeding vectorized instructions 
If we vectorize a e.g. store, we leave around a bunch of getelementptrs for the individual scalar stores which we removed. We can go ahead and delete them as well.

This is purely for test output quality and readability. It should have no effect in any sane pipeline.

Differential Revision: https://reviews.llvm.org/D122493
2022-03-28 20:10:13 -07:00

327 lines
17 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -basic-aa -slp-vectorizer -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s
define void @tiny_tree_fully_vectorizable(double* noalias nocapture %dst, double* noalias nocapture readonly %src, i64 %count) #0 {
; CHECK-LABEL: @tiny_tree_fully_vectorizable(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP12:%.*]] = icmp eq i64 [[COUNT:%.*]], 0
; CHECK-NEXT: br i1 [[CMP12]], label [[FOR_END:%.*]], label [[FOR_BODY:%.*]]
; CHECK: for.body:
; CHECK-NEXT: [[I_015:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_BODY]] ], [ 0, [[ENTRY:%.*]] ]
; CHECK-NEXT: [[DST_ADDR_014:%.*]] = phi double* [ [[ADD_PTR4:%.*]], [[FOR_BODY]] ], [ [[DST:%.*]], [[ENTRY]] ]
; CHECK-NEXT: [[SRC_ADDR_013:%.*]] = phi double* [ [[ADD_PTR:%.*]], [[FOR_BODY]] ], [ [[SRC:%.*]], [[ENTRY]] ]
; CHECK-NEXT: [[TMP0:%.*]] = bitcast double* [[SRC_ADDR_013]] to <2 x double>*
; CHECK-NEXT: [[TMP1:%.*]] = load <2 x double>, <2 x double>* [[TMP0]], align 8
; CHECK-NEXT: [[TMP2:%.*]] = bitcast double* [[DST_ADDR_014]] to <2 x double>*
; CHECK-NEXT: store <2 x double> [[TMP1]], <2 x double>* [[TMP2]], align 8
; CHECK-NEXT: [[ADD_PTR]] = getelementptr inbounds double, double* [[SRC_ADDR_013]], i64 [[I_015]]
; CHECK-NEXT: [[ADD_PTR4]] = getelementptr inbounds double, double* [[DST_ADDR_014]], i64 [[I_015]]
; CHECK-NEXT: [[INC]] = add i64 [[I_015]], 1
; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INC]], [[COUNT]]
; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]]
; CHECK: for.end:
; CHECK-NEXT: ret void
;
entry:
%cmp12 = icmp eq i64 %count, 0
br i1 %cmp12, label %for.end, label %for.body
for.body: ; preds = %entry, %for.body
%i.015 = phi i64 [ %inc, %for.body ], [ 0, %entry ]
%dst.addr.014 = phi double* [ %add.ptr4, %for.body ], [ %dst, %entry ]
%src.addr.013 = phi double* [ %add.ptr, %for.body ], [ %src, %entry ]
%0 = load double, double* %src.addr.013, align 8
store double %0, double* %dst.addr.014, align 8
%arrayidx2 = getelementptr inbounds double, double* %src.addr.013, i64 1
%1 = load double, double* %arrayidx2, align 8
%arrayidx3 = getelementptr inbounds double, double* %dst.addr.014, i64 1
store double %1, double* %arrayidx3, align 8
%add.ptr = getelementptr inbounds double, double* %src.addr.013, i64 %i.015
%add.ptr4 = getelementptr inbounds double, double* %dst.addr.014, i64 %i.015
%inc = add i64 %i.015, 1
%exitcond = icmp eq i64 %inc, %count
br i1 %exitcond, label %for.end, label %for.body
for.end: ; preds = %for.body, %entry
ret void
}
define void @tiny_tree_fully_vectorizable2(float* noalias nocapture %dst, float* noalias nocapture readonly %src, i64 %count) #0 {
; CHECK-LABEL: @tiny_tree_fully_vectorizable2(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP20:%.*]] = icmp eq i64 [[COUNT:%.*]], 0
; CHECK-NEXT: br i1 [[CMP20]], label [[FOR_END:%.*]], label [[FOR_BODY:%.*]]
; CHECK: for.body:
; CHECK-NEXT: [[I_023:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_BODY]] ], [ 0, [[ENTRY:%.*]] ]
; CHECK-NEXT: [[DST_ADDR_022:%.*]] = phi float* [ [[ADD_PTR8:%.*]], [[FOR_BODY]] ], [ [[DST:%.*]], [[ENTRY]] ]
; CHECK-NEXT: [[SRC_ADDR_021:%.*]] = phi float* [ [[ADD_PTR:%.*]], [[FOR_BODY]] ], [ [[SRC:%.*]], [[ENTRY]] ]
; CHECK-NEXT: [[TMP0:%.*]] = bitcast float* [[SRC_ADDR_021]] to <4 x float>*
; CHECK-NEXT: [[TMP1:%.*]] = load <4 x float>, <4 x float>* [[TMP0]], align 4
; CHECK-NEXT: [[TMP2:%.*]] = bitcast float* [[DST_ADDR_022]] to <4 x float>*
; CHECK-NEXT: store <4 x float> [[TMP1]], <4 x float>* [[TMP2]], align 4
; CHECK-NEXT: [[ADD_PTR]] = getelementptr inbounds float, float* [[SRC_ADDR_021]], i64 [[I_023]]
; CHECK-NEXT: [[ADD_PTR8]] = getelementptr inbounds float, float* [[DST_ADDR_022]], i64 [[I_023]]
; CHECK-NEXT: [[INC]] = add i64 [[I_023]], 1
; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INC]], [[COUNT]]
; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]]
; CHECK: for.end:
; CHECK-NEXT: ret void
;
entry:
%cmp20 = icmp eq i64 %count, 0
br i1 %cmp20, label %for.end, label %for.body
for.body: ; preds = %entry, %for.body
%i.023 = phi i64 [ %inc, %for.body ], [ 0, %entry ]
%dst.addr.022 = phi float* [ %add.ptr8, %for.body ], [ %dst, %entry ]
%src.addr.021 = phi float* [ %add.ptr, %for.body ], [ %src, %entry ]
%0 = load float, float* %src.addr.021, align 4
store float %0, float* %dst.addr.022, align 4
%arrayidx2 = getelementptr inbounds float, float* %src.addr.021, i64 1
%1 = load float, float* %arrayidx2, align 4
%arrayidx3 = getelementptr inbounds float, float* %dst.addr.022, i64 1
store float %1, float* %arrayidx3, align 4
%arrayidx4 = getelementptr inbounds float, float* %src.addr.021, i64 2
%2 = load float, float* %arrayidx4, align 4
%arrayidx5 = getelementptr inbounds float, float* %dst.addr.022, i64 2
store float %2, float* %arrayidx5, align 4
%arrayidx6 = getelementptr inbounds float, float* %src.addr.021, i64 3
%3 = load float, float* %arrayidx6, align 4
%arrayidx7 = getelementptr inbounds float, float* %dst.addr.022, i64 3
store float %3, float* %arrayidx7, align 4
%add.ptr = getelementptr inbounds float, float* %src.addr.021, i64 %i.023
%add.ptr8 = getelementptr inbounds float, float* %dst.addr.022, i64 %i.023
%inc = add i64 %i.023, 1
%exitcond = icmp eq i64 %inc, %count
br i1 %exitcond, label %for.end, label %for.body
for.end: ; preds = %for.body, %entry
ret void
}
; We do not vectorize the tiny tree which is not fully vectorizable.
define void @tiny_tree_not_fully_vectorizable(double* noalias nocapture %dst, double* noalias nocapture readonly %src, i64 %count) #0 {
; CHECK-LABEL: @tiny_tree_not_fully_vectorizable(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP12:%.*]] = icmp eq i64 [[COUNT:%.*]], 0
; CHECK-NEXT: br i1 [[CMP12]], label [[FOR_END:%.*]], label [[FOR_BODY:%.*]]
; CHECK: for.body:
; CHECK-NEXT: [[I_015:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_BODY]] ], [ 0, [[ENTRY:%.*]] ]
; CHECK-NEXT: [[DST_ADDR_014:%.*]] = phi double* [ [[ADD_PTR4:%.*]], [[FOR_BODY]] ], [ [[DST:%.*]], [[ENTRY]] ]
; CHECK-NEXT: [[SRC_ADDR_013:%.*]] = phi double* [ [[ADD_PTR:%.*]], [[FOR_BODY]] ], [ [[SRC:%.*]], [[ENTRY]] ]
; CHECK-NEXT: [[TMP0:%.*]] = load double, double* [[SRC_ADDR_013]], align 8
; CHECK-NEXT: store double [[TMP0]], double* [[DST_ADDR_014]], align 8
; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds double, double* [[SRC_ADDR_013]], i64 2
; CHECK-NEXT: [[TMP1:%.*]] = load double, double* [[ARRAYIDX2]], align 8
; CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds double, double* [[DST_ADDR_014]], i64 1
; CHECK-NEXT: store double [[TMP1]], double* [[ARRAYIDX3]], align 8
; CHECK-NEXT: [[ADD_PTR]] = getelementptr inbounds double, double* [[SRC_ADDR_013]], i64 [[I_015]]
; CHECK-NEXT: [[ADD_PTR4]] = getelementptr inbounds double, double* [[DST_ADDR_014]], i64 [[I_015]]
; CHECK-NEXT: [[INC]] = add i64 [[I_015]], 1
; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INC]], [[COUNT]]
; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]]
; CHECK: for.end:
; CHECK-NEXT: ret void
;
entry:
%cmp12 = icmp eq i64 %count, 0
br i1 %cmp12, label %for.end, label %for.body
for.body: ; preds = %entry, %for.body
%i.015 = phi i64 [ %inc, %for.body ], [ 0, %entry ]
%dst.addr.014 = phi double* [ %add.ptr4, %for.body ], [ %dst, %entry ]
%src.addr.013 = phi double* [ %add.ptr, %for.body ], [ %src, %entry ]
%0 = load double, double* %src.addr.013, align 8
store double %0, double* %dst.addr.014, align 8
%arrayidx2 = getelementptr inbounds double, double* %src.addr.013, i64 2
%1 = load double, double* %arrayidx2, align 8
%arrayidx3 = getelementptr inbounds double, double* %dst.addr.014, i64 1
store double %1, double* %arrayidx3, align 8
%add.ptr = getelementptr inbounds double, double* %src.addr.013, i64 %i.015
%add.ptr4 = getelementptr inbounds double, double* %dst.addr.014, i64 %i.015
%inc = add i64 %i.015, 1
%exitcond = icmp eq i64 %inc, %count
br i1 %exitcond, label %for.end, label %for.body
for.end: ; preds = %for.body, %entry
ret void
}
define void @tiny_tree_not_fully_vectorizable2(float* noalias nocapture %dst, float* noalias nocapture readonly %src, i64 %count) #0 {
; CHECK-LABEL: @tiny_tree_not_fully_vectorizable2(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CMP20:%.*]] = icmp eq i64 [[COUNT:%.*]], 0
; CHECK-NEXT: br i1 [[CMP20]], label [[FOR_END:%.*]], label [[FOR_BODY:%.*]]
; CHECK: for.body:
; CHECK-NEXT: [[I_023:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_BODY]] ], [ 0, [[ENTRY:%.*]] ]
; CHECK-NEXT: [[DST_ADDR_022:%.*]] = phi float* [ [[ADD_PTR8:%.*]], [[FOR_BODY]] ], [ [[DST:%.*]], [[ENTRY]] ]
; CHECK-NEXT: [[SRC_ADDR_021:%.*]] = phi float* [ [[ADD_PTR:%.*]], [[FOR_BODY]] ], [ [[SRC:%.*]], [[ENTRY]] ]
; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds float, float* [[SRC_ADDR_021]], i64 4
; CHECK-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds float, float* [[SRC_ADDR_021]], i64 2
; CHECK-NEXT: [[TMP0:%.*]] = load float, float* [[SRC_ADDR_021]], align 4
; CHECK-NEXT: [[TMP1:%.*]] = load float, float* [[ARRAYIDX2]], align 4
; CHECK-NEXT: [[TMP2:%.*]] = bitcast float* [[ARRAYIDX4]] to <2 x float>*
; CHECK-NEXT: [[TMP3:%.*]] = load <2 x float>, <2 x float>* [[TMP2]], align 4
; CHECK-NEXT: [[TMP4:%.*]] = insertelement <4 x float> poison, float [[TMP0]], i32 0
; CHECK-NEXT: [[TMP5:%.*]] = insertelement <4 x float> [[TMP4]], float [[TMP1]], i32 1
; CHECK-NEXT: [[TMP6:%.*]] = shufflevector <2 x float> [[TMP3]], <2 x float> poison, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef>
; CHECK-NEXT: [[TMP7:%.*]] = shufflevector <4 x float> [[TMP5]], <4 x float> [[TMP6]], <4 x i32> <i32 0, i32 1, i32 4, i32 5>
; CHECK-NEXT: [[TMP8:%.*]] = bitcast float* [[DST_ADDR_022]] to <4 x float>*
; CHECK-NEXT: store <4 x float> [[TMP7]], <4 x float>* [[TMP8]], align 4
; CHECK-NEXT: [[ADD_PTR]] = getelementptr inbounds float, float* [[SRC_ADDR_021]], i64 [[I_023]]
; CHECK-NEXT: [[ADD_PTR8]] = getelementptr inbounds float, float* [[DST_ADDR_022]], i64 [[I_023]]
; CHECK-NEXT: [[INC]] = add i64 [[I_023]], 1
; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INC]], [[COUNT]]
; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]]
; CHECK: for.end:
; CHECK-NEXT: ret void
;
entry:
%cmp20 = icmp eq i64 %count, 0
br i1 %cmp20, label %for.end, label %for.body
for.body: ; preds = %entry, %for.body
%i.023 = phi i64 [ %inc, %for.body ], [ 0, %entry ]
%dst.addr.022 = phi float* [ %add.ptr8, %for.body ], [ %dst, %entry ]
%src.addr.021 = phi float* [ %add.ptr, %for.body ], [ %src, %entry ]
%0 = load float, float* %src.addr.021, align 4
store float %0, float* %dst.addr.022, align 4
%arrayidx2 = getelementptr inbounds float, float* %src.addr.021, i64 4
%1 = load float, float* %arrayidx2, align 4
%arrayidx3 = getelementptr inbounds float, float* %dst.addr.022, i64 1
store float %1, float* %arrayidx3, align 4
%arrayidx4 = getelementptr inbounds float, float* %src.addr.021, i64 2
%2 = load float, float* %arrayidx4, align 4
%arrayidx5 = getelementptr inbounds float, float* %dst.addr.022, i64 2
store float %2, float* %arrayidx5, align 4
%arrayidx6 = getelementptr inbounds float, float* %src.addr.021, i64 3
%3 = load float, float* %arrayidx6, align 4
%arrayidx7 = getelementptr inbounds float, float* %dst.addr.022, i64 3
store float %3, float* %arrayidx7, align 4
%add.ptr = getelementptr inbounds float, float* %src.addr.021, i64 %i.023
%add.ptr8 = getelementptr inbounds float, float* %dst.addr.022, i64 %i.023
%inc = add i64 %i.023, 1
%exitcond = icmp eq i64 %inc, %count
br i1 %exitcond, label %for.end, label %for.body
for.end: ; preds = %for.body, %entry
ret void
}
define void @store_splat(float*, float) {
; CHECK-LABEL: @store_splat(
; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds float, float* [[TMP0:%.*]], i64 0
; CHECK-NEXT: [[TMP4:%.*]] = insertelement <4 x float> poison, float [[TMP1:%.*]], i32 0
; CHECK-NEXT: [[SHUFFLE:%.*]] = shufflevector <4 x float> [[TMP4]], <4 x float> poison, <4 x i32> zeroinitializer
; CHECK-NEXT: [[TMP5:%.*]] = bitcast float* [[TMP3]] to <4 x float>*
; CHECK-NEXT: store <4 x float> [[SHUFFLE]], <4 x float>* [[TMP5]], align 4
; CHECK-NEXT: ret void
;
%3 = getelementptr inbounds float, float* %0, i64 0
store float %1, float* %3, align 4
%4 = getelementptr inbounds float, float* %0, i64 1
store float %1, float* %4, align 4
%5 = getelementptr inbounds float, float* %0, i64 2
store float %1, float* %5, align 4
%6 = getelementptr inbounds float, float* %0, i64 3
store float %1, float* %6, align 4
ret void
}
define void @store_const(i32* %a) {
; CHECK-LABEL: @store_const(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[PTR0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 0
; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[PTR0]] to <4 x i32>*
; CHECK-NEXT: store <4 x i32> <i32 10, i32 30, i32 20, i32 40>, <4 x i32>* [[TMP0]], align 4
; CHECK-NEXT: ret void
;
entry:
%ptr0 = getelementptr inbounds i32, i32* %a, i64 0
store i32 10, i32* %ptr0, align 4
%ptr1 = getelementptr inbounds i32, i32* %a, i64 1
store i32 30, i32* %ptr1, align 4
%ptr2 = getelementptr inbounds i32, i32* %a, i64 2
store i32 20, i32* %ptr2, align 4
%ptr3 = getelementptr inbounds i32, i32* %a, i64 3
store i32 40, i32* %ptr3, align 4
ret void
}
define void @tiny_vector_gather(i32 *%a, i32 *%v1, i32 *%v2) {
; CHECK-LABEL: @tiny_vector_gather(
; CHECK-NEXT: [[TMP1:%.*]] = load i32, i32* [[V1:%.*]], align 4
; CHECK-NEXT: [[TMP2:%.*]] = load i32, i32* [[V2:%.*]], align 4
; CHECK-NEXT: [[PTR0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 0
; CHECK-NEXT: store i32 [[TMP1]], i32* [[PTR0]], align 16
; CHECK-NEXT: [[PTR1:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 1
; CHECK-NEXT: store i32 [[TMP2]], i32* [[PTR1]], align 4
; CHECK-NEXT: [[PTR2:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 2
; CHECK-NEXT: store i32 [[TMP1]], i32* [[PTR2]], align 8
; CHECK-NEXT: [[PTR3:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 3
; CHECK-NEXT: store i32 [[TMP2]], i32* [[PTR3]], align 4
; CHECK-NEXT: [[PTR4:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 4
; CHECK-NEXT: store i32 [[TMP1]], i32* [[PTR4]], align 16
; CHECK-NEXT: [[PTR5:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 5
; CHECK-NEXT: store i32 [[TMP2]], i32* [[PTR5]], align 4
; CHECK-NEXT: [[PTR6:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 6
; CHECK-NEXT: store i32 [[TMP1]], i32* [[PTR6]], align 8
; CHECK-NEXT: [[PTR7:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 7
; CHECK-NEXT: store i32 [[TMP2]], i32* [[PTR7]], align 4
; CHECK-NEXT: ret void
;
%1 = load i32, i32* %v1, align 4
%2 = load i32, i32* %v2, align 4
%ptr0 = getelementptr inbounds i32, i32* %a, i64 0
store i32 %1, i32* %ptr0, align 16
%ptr1 = getelementptr inbounds i32, i32* %a, i64 1
store i32 %2, i32* %ptr1, align 4
%ptr2 = getelementptr inbounds i32, i32* %a, i64 2
store i32 %1, i32* %ptr2, align 8
%ptr3 = getelementptr inbounds i32, i32* %a, i64 3
store i32 %2, i32* %ptr3, align 4
%ptr4 = getelementptr inbounds i32, i32* %a, i64 4
store i32 %1, i32* %ptr4, align 16
%ptr5 = getelementptr inbounds i32, i32* %a, i64 5
store i32 %2, i32* %ptr5, align 4
%ptr6 = getelementptr inbounds i32, i32* %a, i64 6
store i32 %1, i32* %ptr6, align 8
%ptr7 = getelementptr inbounds i32, i32* %a, i64 7
store i32 %2, i32* %ptr7, align 4
ret void
}
define void @tiny_vector_with_diff_opcode(i16 *%a, i16 *%v1) {
; CHECK-LABEL: @tiny_vector_with_diff_opcode(
; CHECK-NEXT: [[TMP1:%.*]] = load i16, i16* [[V1:%.*]], align 4
; CHECK-NEXT: [[TMP2:%.*]] = trunc i64 undef to i16
; CHECK-NEXT: [[PTR0:%.*]] = getelementptr inbounds i16, i16* [[A:%.*]], i64 0
; CHECK-NEXT: [[TMP3:%.*]] = insertelement <8 x i16> poison, i16 [[TMP1]], i32 0
; CHECK-NEXT: [[TMP4:%.*]] = insertelement <8 x i16> [[TMP3]], i16 [[TMP2]], i32 1
; CHECK-NEXT: [[SHUFFLE:%.*]] = shufflevector <8 x i16> [[TMP4]], <8 x i16> poison, <8 x i32> <i32 0, i32 1, i32 0, i32 1, i32 0, i32 1, i32 0, i32 1>
; CHECK-NEXT: [[TMP5:%.*]] = bitcast i16* [[PTR0]] to <8 x i16>*
; CHECK-NEXT: store <8 x i16> [[SHUFFLE]], <8 x i16>* [[TMP5]], align 16
; CHECK-NEXT: ret void
;
%1 = load i16, i16* %v1, align 4
%2 = trunc i64 undef to i16
%ptr0 = getelementptr inbounds i16, i16* %a, i64 0
store i16 %1, i16* %ptr0, align 16
%ptr1 = getelementptr inbounds i16, i16* %a, i64 1
store i16 %2, i16* %ptr1, align 4
%ptr2 = getelementptr inbounds i16, i16* %a, i64 2
store i16 %1, i16* %ptr2, align 8
%ptr3 = getelementptr inbounds i16, i16* %a, i64 3
store i16 %2, i16* %ptr3, align 4
%ptr4 = getelementptr inbounds i16, i16* %a, i64 4
store i16 %1, i16* %ptr4, align 16
%ptr5 = getelementptr inbounds i16, i16* %a, i64 5
store i16 %2, i16* %ptr5, align 4
%ptr6 = getelementptr inbounds i16, i16* %a, i64 6
store i16 %1, i16* %ptr6, align 8
%ptr7 = getelementptr inbounds i16, i16* %a, i64 7
store i16 %2, i16* %ptr7, align 4
ret void
}
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