| ; RUN: llc < %s -mtriple aarch64 -verify-machineinstrs | FileCheck %s |
| ; RUN: llc < %s -mtriple aarch64 -mattr=+strict-align -verify-machineinstrs | FileCheck %s -check-prefix=CHECK-STRICT |
| |
| ; CHECK-LABEL: Strh_zero |
| ; CHECK: str wzr |
| ; CHECK-STRICT-LABEL: Strh_zero |
| ; CHECK-STRICT: strh wzr |
| ; CHECK-STRICT: strh wzr |
| define void @Strh_zero(ptr nocapture %P, i32 %n) { |
| entry: |
| %idxprom = sext i32 %n to i64 |
| %arrayidx = getelementptr inbounds i16, ptr %P, i64 %idxprom |
| store i16 0, ptr %arrayidx |
| %add = add nsw i32 %n, 1 |
| %idxprom1 = sext i32 %add to i64 |
| %arrayidx2 = getelementptr inbounds i16, ptr %P, i64 %idxprom1 |
| store i16 0, ptr %arrayidx2 |
| ret void |
| } |
| |
| ; CHECK-LABEL: Strh_zero_4 |
| ; CHECK: str xzr |
| ; CHECK-STRICT-LABEL: Strh_zero_4 |
| ; CHECK-STRICT: strh wzr |
| ; CHECK-STRICT: strh wzr |
| ; CHECK-STRICT: strh wzr |
| ; CHECK-STRICT: strh wzr |
| define void @Strh_zero_4(ptr nocapture %P, i32 %n) { |
| entry: |
| %idxprom = sext i32 %n to i64 |
| %arrayidx = getelementptr inbounds i16, ptr %P, i64 %idxprom |
| store i16 0, ptr %arrayidx |
| %add = add nsw i32 %n, 1 |
| %idxprom1 = sext i32 %add to i64 |
| %arrayidx2 = getelementptr inbounds i16, ptr %P, i64 %idxprom1 |
| store i16 0, ptr %arrayidx2 |
| %add3 = add nsw i32 %n, 2 |
| %idxprom4 = sext i32 %add3 to i64 |
| %arrayidx5 = getelementptr inbounds i16, ptr %P, i64 %idxprom4 |
| store i16 0, ptr %arrayidx5 |
| %add6 = add nsw i32 %n, 3 |
| %idxprom7 = sext i32 %add6 to i64 |
| %arrayidx8 = getelementptr inbounds i16, ptr %P, i64 %idxprom7 |
| store i16 0, ptr %arrayidx8 |
| ret void |
| } |
| |
| ; CHECK-LABEL: Strw_zero |
| ; CHECK: str xzr |
| ; CHECK-STRICT-LABEL: Strw_zero |
| ; CHECK-STRICT: stp wzr, wzr |
| define void @Strw_zero(ptr nocapture %P, i32 %n) { |
| entry: |
| %idxprom = sext i32 %n to i64 |
| %arrayidx = getelementptr inbounds i32, ptr %P, i64 %idxprom |
| store i32 0, ptr %arrayidx |
| %add = add nsw i32 %n, 1 |
| %idxprom1 = sext i32 %add to i64 |
| %arrayidx2 = getelementptr inbounds i32, ptr %P, i64 %idxprom1 |
| store i32 0, ptr %arrayidx2 |
| ret void |
| } |
| |
| ; CHECK-LABEL: Strw_zero_nonzero |
| ; CHECK: stp wzr, w1 |
| define void @Strw_zero_nonzero(ptr nocapture %P, i32 %n) { |
| entry: |
| %idxprom = sext i32 %n to i64 |
| %arrayidx = getelementptr inbounds i32, ptr %P, i64 %idxprom |
| store i32 0, ptr %arrayidx |
| %add = add nsw i32 %n, 1 |
| %idxprom1 = sext i32 %add to i64 |
| %arrayidx2 = getelementptr inbounds i32, ptr %P, i64 %idxprom1 |
| store i32 %n, ptr %arrayidx2 |
| ret void |
| } |
| |
| ; CHECK-LABEL: Strw_zero_4 |
| ; CHECK: stp xzr, xzr |
| ; CHECK-STRICT-LABEL: Strw_zero_4 |
| ; CHECK-STRICT: stp wzr, wzr |
| ; CHECK-STRICT: stp wzr, wzr |
| define void @Strw_zero_4(ptr nocapture %P, i32 %n) { |
| entry: |
| %idxprom = sext i32 %n to i64 |
| %arrayidx = getelementptr inbounds i32, ptr %P, i64 %idxprom |
| store i32 0, ptr %arrayidx |
| %add = add nsw i32 %n, 1 |
| %idxprom1 = sext i32 %add to i64 |
| %arrayidx2 = getelementptr inbounds i32, ptr %P, i64 %idxprom1 |
| store i32 0, ptr %arrayidx2 |
| %add3 = add nsw i32 %n, 2 |
| %idxprom4 = sext i32 %add3 to i64 |
| %arrayidx5 = getelementptr inbounds i32, ptr %P, i64 %idxprom4 |
| store i32 0, ptr %arrayidx5 |
| %add6 = add nsw i32 %n, 3 |
| %idxprom7 = sext i32 %add6 to i64 |
| %arrayidx8 = getelementptr inbounds i32, ptr %P, i64 %idxprom7 |
| store i32 0, ptr %arrayidx8 |
| ret void |
| } |
| |
| ; CHECK-LABEL: Sturb_zero |
| ; CHECK: sturh wzr |
| ; CHECK-STRICT-LABEL: Sturb_zero |
| ; CHECK-STRICT: sturb wzr |
| ; CHECK-STRICT: sturb wzr |
| define void @Sturb_zero(ptr nocapture %P, i32 %n) #0 { |
| entry: |
| %sub = add nsw i32 %n, -2 |
| %idxprom = sext i32 %sub to i64 |
| %arrayidx = getelementptr inbounds i8, ptr %P, i64 %idxprom |
| store i8 0, ptr %arrayidx |
| %sub2= add nsw i32 %n, -1 |
| %idxprom1 = sext i32 %sub2 to i64 |
| %arrayidx2 = getelementptr inbounds i8, ptr %P, i64 %idxprom1 |
| store i8 0, ptr %arrayidx2 |
| ret void |
| } |
| |
| ; CHECK-LABEL: Sturh_zero |
| ; CHECK: stur wzr |
| ; CHECK-STRICT-LABEL: Sturh_zero |
| ; CHECK-STRICT: sturh wzr |
| ; CHECK-STRICT: sturh wzr |
| define void @Sturh_zero(ptr nocapture %P, i32 %n) { |
| entry: |
| %sub = add nsw i32 %n, -2 |
| %idxprom = sext i32 %sub to i64 |
| %arrayidx = getelementptr inbounds i16, ptr %P, i64 %idxprom |
| store i16 0, ptr %arrayidx |
| %sub1 = add nsw i32 %n, -3 |
| %idxprom2 = sext i32 %sub1 to i64 |
| %arrayidx3 = getelementptr inbounds i16, ptr %P, i64 %idxprom2 |
| store i16 0, ptr %arrayidx3 |
| ret void |
| } |
| |
| ; CHECK-LABEL: Sturh_zero_4 |
| ; CHECK: stur xzr |
| ; CHECK-STRICT-LABEL: Sturh_zero_4 |
| ; CHECK-STRICT: sturh wzr |
| ; CHECK-STRICT: sturh wzr |
| ; CHECK-STRICT: sturh wzr |
| ; CHECK-STRICT: sturh wzr |
| define void @Sturh_zero_4(ptr nocapture %P, i32 %n) { |
| entry: |
| %sub = add nsw i32 %n, -3 |
| %idxprom = sext i32 %sub to i64 |
| %arrayidx = getelementptr inbounds i16, ptr %P, i64 %idxprom |
| store i16 0, ptr %arrayidx |
| %sub1 = add nsw i32 %n, -4 |
| %idxprom2 = sext i32 %sub1 to i64 |
| %arrayidx3 = getelementptr inbounds i16, ptr %P, i64 %idxprom2 |
| store i16 0, ptr %arrayidx3 |
| %sub4 = add nsw i32 %n, -2 |
| %idxprom5 = sext i32 %sub4 to i64 |
| %arrayidx6 = getelementptr inbounds i16, ptr %P, i64 %idxprom5 |
| store i16 0, ptr %arrayidx6 |
| %sub7 = add nsw i32 %n, -1 |
| %idxprom8 = sext i32 %sub7 to i64 |
| %arrayidx9 = getelementptr inbounds i16, ptr %P, i64 %idxprom8 |
| store i16 0, ptr %arrayidx9 |
| ret void |
| } |
| |
| ; CHECK-LABEL: Sturw_zero |
| ; CHECK: stur xzr |
| ; CHECK-STRICT-LABEL: Sturw_zero |
| ; CHECK-STRICT: stp wzr, wzr |
| define void @Sturw_zero(ptr nocapture %P, i32 %n) { |
| entry: |
| %sub = add nsw i32 %n, -3 |
| %idxprom = sext i32 %sub to i64 |
| %arrayidx = getelementptr inbounds i32, ptr %P, i64 %idxprom |
| store i32 0, ptr %arrayidx |
| %sub1 = add nsw i32 %n, -4 |
| %idxprom2 = sext i32 %sub1 to i64 |
| %arrayidx3 = getelementptr inbounds i32, ptr %P, i64 %idxprom2 |
| store i32 0, ptr %arrayidx3 |
| ret void |
| } |
| |
| ; CHECK-LABEL: Sturw_zero_4 |
| ; CHECK: stp xzr, xzr |
| ; CHECK-STRICT-LABEL: Sturw_zero_4 |
| ; CHECK-STRICT: stp wzr, wzr |
| ; CHECK-STRICT: stp wzr, wzr |
| define void @Sturw_zero_4(ptr nocapture %P, i32 %n) { |
| entry: |
| %sub = add nsw i32 %n, -3 |
| %idxprom = sext i32 %sub to i64 |
| %arrayidx = getelementptr inbounds i32, ptr %P, i64 %idxprom |
| store i32 0, ptr %arrayidx |
| %sub1 = add nsw i32 %n, -4 |
| %idxprom2 = sext i32 %sub1 to i64 |
| %arrayidx3 = getelementptr inbounds i32, ptr %P, i64 %idxprom2 |
| store i32 0, ptr %arrayidx3 |
| %sub4 = add nsw i32 %n, -2 |
| %idxprom5 = sext i32 %sub4 to i64 |
| %arrayidx6 = getelementptr inbounds i32, ptr %P, i64 %idxprom5 |
| store i32 0, ptr %arrayidx6 |
| %sub7 = add nsw i32 %n, -1 |
| %idxprom8 = sext i32 %sub7 to i64 |
| %arrayidx9 = getelementptr inbounds i32, ptr %P, i64 %idxprom8 |
| store i32 0, ptr %arrayidx9 |
| ret void |
| } |
| |