; 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
}
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