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d42b05387d
Reenable post-legalize stores with constant merging computation and corresponding test case. * Properly truncate store merge constants * Disable merging of truncated stores floating points * Ensure merges of constant stores into a single vector are constructed from legal elements. Reviewers: eastig, efriedma Reviewed By: eastig Subscribers: spatel, rengolin, aemerson, javed.absar, kristof.beyls, hiraditya, llvm-commits Differential Revision: https://reviews.llvm.org/D40701 llvm-svn: 319899
210 lines
6.4 KiB
LLVM
210 lines
6.4 KiB
LLVM
; RUN: llc < %s -mtriple aarch64--none-eabi -verify-machineinstrs | FileCheck %s
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; RUN: llc < %s -mtriple aarch64--none-eabi -mattr=+strict-align -verify-machineinstrs | FileCheck %s -check-prefix=CHECK-STRICT
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; CHECK-LABEL: Strh_zero
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; CHECK: str wzr
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; CHECK-STRICT-LABEL: Strh_zero
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; CHECK-STRICT: strh wzr
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; CHECK-STRICT: strh wzr
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define void @Strh_zero(i16* nocapture %P, i32 %n) {
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entry:
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%idxprom = sext i32 %n to i64
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%arrayidx = getelementptr inbounds i16, i16* %P, i64 %idxprom
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store i16 0, i16* %arrayidx
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%add = add nsw i32 %n, 1
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%idxprom1 = sext i32 %add to i64
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%arrayidx2 = getelementptr inbounds i16, i16* %P, i64 %idxprom1
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store i16 0, i16* %arrayidx2
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ret void
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}
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; CHECK-LABEL: Strh_zero_4
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; CHECK: str xzr
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; CHECK-STRICT-LABEL: Strh_zero_4
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; CHECK-STRICT: strh wzr
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; CHECK-STRICT: strh wzr
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; CHECK-STRICT: strh wzr
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; CHECK-STRICT: strh wzr
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define void @Strh_zero_4(i16* nocapture %P, i32 %n) {
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entry:
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%idxprom = sext i32 %n to i64
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%arrayidx = getelementptr inbounds i16, i16* %P, i64 %idxprom
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store i16 0, i16* %arrayidx
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%add = add nsw i32 %n, 1
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%idxprom1 = sext i32 %add to i64
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%arrayidx2 = getelementptr inbounds i16, i16* %P, i64 %idxprom1
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store i16 0, i16* %arrayidx2
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%add3 = add nsw i32 %n, 2
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%idxprom4 = sext i32 %add3 to i64
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%arrayidx5 = getelementptr inbounds i16, i16* %P, i64 %idxprom4
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store i16 0, i16* %arrayidx5
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%add6 = add nsw i32 %n, 3
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%idxprom7 = sext i32 %add6 to i64
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%arrayidx8 = getelementptr inbounds i16, i16* %P, i64 %idxprom7
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store i16 0, i16* %arrayidx8
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ret void
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}
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; CHECK-LABEL: Strw_zero
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; CHECK: str xzr
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; CHECK-STRICT-LABEL: Strw_zero
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; CHECK-STRICT: stp wzr, wzr
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define void @Strw_zero(i32* nocapture %P, i32 %n) {
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entry:
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%idxprom = sext i32 %n to i64
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%arrayidx = getelementptr inbounds i32, i32* %P, i64 %idxprom
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store i32 0, i32* %arrayidx
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%add = add nsw i32 %n, 1
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%idxprom1 = sext i32 %add to i64
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%arrayidx2 = getelementptr inbounds i32, i32* %P, i64 %idxprom1
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store i32 0, i32* %arrayidx2
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ret void
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}
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; CHECK-LABEL: Strw_zero_nonzero
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; CHECK: stp wzr, w1
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define void @Strw_zero_nonzero(i32* nocapture %P, i32 %n) {
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entry:
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%idxprom = sext i32 %n to i64
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%arrayidx = getelementptr inbounds i32, i32* %P, i64 %idxprom
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store i32 0, i32* %arrayidx
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%add = add nsw i32 %n, 1
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%idxprom1 = sext i32 %add to i64
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%arrayidx2 = getelementptr inbounds i32, i32* %P, i64 %idxprom1
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store i32 %n, i32* %arrayidx2
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ret void
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}
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; CHECK-LABEL: Strw_zero_4
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; CHECK: stp xzr, xzr
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; CHECK-STRICT-LABEL: Strw_zero_4
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; CHECK-STRICT: stp wzr, wzr
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; CHECK-STRICT: stp wzr, wzr
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define void @Strw_zero_4(i32* nocapture %P, i32 %n) {
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entry:
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%idxprom = sext i32 %n to i64
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%arrayidx = getelementptr inbounds i32, i32* %P, i64 %idxprom
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store i32 0, i32* %arrayidx
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%add = add nsw i32 %n, 1
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%idxprom1 = sext i32 %add to i64
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%arrayidx2 = getelementptr inbounds i32, i32* %P, i64 %idxprom1
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store i32 0, i32* %arrayidx2
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%add3 = add nsw i32 %n, 2
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%idxprom4 = sext i32 %add3 to i64
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%arrayidx5 = getelementptr inbounds i32, i32* %P, i64 %idxprom4
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store i32 0, i32* %arrayidx5
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%add6 = add nsw i32 %n, 3
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%idxprom7 = sext i32 %add6 to i64
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%arrayidx8 = getelementptr inbounds i32, i32* %P, i64 %idxprom7
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store i32 0, i32* %arrayidx8
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ret void
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}
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; CHECK-LABEL: Sturb_zero
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; CHECK: sturh wzr
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; CHECK-STRICT-LABEL: Sturb_zero
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; CHECK-STRICT: sturb wzr
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; CHECK-STRICT: sturb wzr
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define void @Sturb_zero(i8* nocapture %P, i32 %n) #0 {
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entry:
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%sub = add nsw i32 %n, -2
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%idxprom = sext i32 %sub to i64
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%arrayidx = getelementptr inbounds i8, i8* %P, i64 %idxprom
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store i8 0, i8* %arrayidx
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%sub2= add nsw i32 %n, -1
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%idxprom1 = sext i32 %sub2 to i64
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%arrayidx2 = getelementptr inbounds i8, i8* %P, i64 %idxprom1
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store i8 0, i8* %arrayidx2
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ret void
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}
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; CHECK-LABEL: Sturh_zero
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; CHECK: stur wzr
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; CHECK-STRICT-LABEL: Sturh_zero
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; CHECK-STRICT: sturh wzr
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; CHECK-STRICT: sturh wzr
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define void @Sturh_zero(i16* nocapture %P, i32 %n) {
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entry:
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%sub = add nsw i32 %n, -2
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%idxprom = sext i32 %sub to i64
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%arrayidx = getelementptr inbounds i16, i16* %P, i64 %idxprom
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store i16 0, i16* %arrayidx
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%sub1 = add nsw i32 %n, -3
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%idxprom2 = sext i32 %sub1 to i64
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%arrayidx3 = getelementptr inbounds i16, i16* %P, i64 %idxprom2
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store i16 0, i16* %arrayidx3
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ret void
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}
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; CHECK-LABEL: Sturh_zero_4
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; CHECK: stur xzr
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; CHECK-STRICT-LABEL: Sturh_zero_4
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; CHECK-STRICT: sturh wzr
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; CHECK-STRICT: sturh wzr
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; CHECK-STRICT: sturh wzr
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; CHECK-STRICT: sturh wzr
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define void @Sturh_zero_4(i16* nocapture %P, i32 %n) {
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entry:
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%sub = add nsw i32 %n, -3
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%idxprom = sext i32 %sub to i64
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%arrayidx = getelementptr inbounds i16, i16* %P, i64 %idxprom
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store i16 0, i16* %arrayidx
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%sub1 = add nsw i32 %n, -4
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%idxprom2 = sext i32 %sub1 to i64
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%arrayidx3 = getelementptr inbounds i16, i16* %P, i64 %idxprom2
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store i16 0, i16* %arrayidx3
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%sub4 = add nsw i32 %n, -2
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%idxprom5 = sext i32 %sub4 to i64
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%arrayidx6 = getelementptr inbounds i16, i16* %P, i64 %idxprom5
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store i16 0, i16* %arrayidx6
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%sub7 = add nsw i32 %n, -1
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%idxprom8 = sext i32 %sub7 to i64
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%arrayidx9 = getelementptr inbounds i16, i16* %P, i64 %idxprom8
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store i16 0, i16* %arrayidx9
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ret void
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}
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; CHECK-LABEL: Sturw_zero
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; CHECK: stur xzr
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; CHECK-STRICT-LABEL: Sturw_zero
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; CHECK-STRICT: stp wzr, wzr
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define void @Sturw_zero(i32* nocapture %P, i32 %n) {
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entry:
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%sub = add nsw i32 %n, -3
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%idxprom = sext i32 %sub to i64
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%arrayidx = getelementptr inbounds i32, i32* %P, i64 %idxprom
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store i32 0, i32* %arrayidx
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%sub1 = add nsw i32 %n, -4
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%idxprom2 = sext i32 %sub1 to i64
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%arrayidx3 = getelementptr inbounds i32, i32* %P, i64 %idxprom2
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store i32 0, i32* %arrayidx3
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ret void
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}
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; CHECK-LABEL: Sturw_zero_4
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; CHECK: stp xzr, xzr
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; CHECK-STRICT-LABEL: Sturw_zero_4
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; CHECK-STRICT: stp wzr, wzr
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; CHECK-STRICT: stp wzr, wzr
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define void @Sturw_zero_4(i32* nocapture %P, i32 %n) {
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entry:
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%sub = add nsw i32 %n, -3
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%idxprom = sext i32 %sub to i64
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%arrayidx = getelementptr inbounds i32, i32* %P, i64 %idxprom
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store i32 0, i32* %arrayidx
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%sub1 = add nsw i32 %n, -4
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%idxprom2 = sext i32 %sub1 to i64
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%arrayidx3 = getelementptr inbounds i32, i32* %P, i64 %idxprom2
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store i32 0, i32* %arrayidx3
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%sub4 = add nsw i32 %n, -2
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%idxprom5 = sext i32 %sub4 to i64
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%arrayidx6 = getelementptr inbounds i32, i32* %P, i64 %idxprom5
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store i32 0, i32* %arrayidx6
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%sub7 = add nsw i32 %n, -1
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%idxprom8 = sext i32 %sub7 to i64
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%arrayidx9 = getelementptr inbounds i32, i32* %P, i64 %idxprom8
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store i32 0, i32* %arrayidx9
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ret void
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}
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