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[LoongArch] Pre-commit test for aligning stack objects passed to memory intrinsics. NFC
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‎llvm/test/CodeGen/LoongArch/unaligned-memcpy-inline.ll

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@@ -94,4 +94,152 @@ entry:
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ret void
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}
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@.str = private constant [22 x i8] c"preemption imbalance \00", align 1
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define void @t3() {
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; LA32-LABEL: t3:
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; LA32: # %bb.0: # %entry
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; LA32-NEXT: addi.w $sp, $sp, -64
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; LA32-NEXT: .cfi_def_cfa_offset 64
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; LA32-NEXT: pcalau12i $a0, %pc_hi20(.L.str)
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; LA32-NEXT: addi.w $a0, $a0, %pc_lo12(.L.str)
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; LA32-NEXT: ld.b $a1, $a0, 21
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; LA32-NEXT: ld.bu $a2, $a0, 20
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; LA32-NEXT: slli.w $a1, $a1, 8
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; LA32-NEXT: or $a1, $a1, $a2
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; LA32-NEXT: st.h $a1, $sp, 20
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; LA32-NEXT: ld.bu $a1, $a0, 17
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; LA32-NEXT: ld.bu $a2, $a0, 16
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; LA32-NEXT: ld.bu $a3, $a0, 18
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; LA32-NEXT: ld.bu $a4, $a0, 19
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; LA32-NEXT: slli.w $a1, $a1, 8
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; LA32-NEXT: or $a1, $a1, $a2
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; LA32-NEXT: slli.w $a2, $a3, 16
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; LA32-NEXT: slli.w $a3, $a4, 24
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; LA32-NEXT: or $a2, $a3, $a2
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; LA32-NEXT: or $a1, $a2, $a1
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; LA32-NEXT: st.w $a1, $sp, 16
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; LA32-NEXT: ld.bu $a1, $a0, 13
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; LA32-NEXT: ld.bu $a2, $a0, 12
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; LA32-NEXT: ld.bu $a3, $a0, 14
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; LA32-NEXT: ld.bu $a4, $a0, 15
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; LA32-NEXT: slli.w $a1, $a1, 8
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; LA32-NEXT: or $a1, $a1, $a2
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; LA32-NEXT: slli.w $a2, $a3, 16
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; LA32-NEXT: slli.w $a3, $a4, 24
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; LA32-NEXT: or $a2, $a3, $a2
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; LA32-NEXT: or $a1, $a2, $a1
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; LA32-NEXT: st.w $a1, $sp, 12
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; LA32-NEXT: ld.bu $a1, $a0, 9
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; LA32-NEXT: ld.bu $a2, $a0, 8
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; LA32-NEXT: ld.bu $a3, $a0, 10
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; LA32-NEXT: ld.bu $a4, $a0, 11
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; LA32-NEXT: slli.w $a1, $a1, 8
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; LA32-NEXT: or $a1, $a1, $a2
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; LA32-NEXT: slli.w $a2, $a3, 16
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; LA32-NEXT: slli.w $a3, $a4, 24
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; LA32-NEXT: or $a2, $a3, $a2
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; LA32-NEXT: or $a1, $a2, $a1
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; LA32-NEXT: st.w $a1, $sp, 8
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; LA32-NEXT: ld.bu $a1, $a0, 5
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; LA32-NEXT: ld.bu $a2, $a0, 4
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; LA32-NEXT: ld.bu $a3, $a0, 6
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; LA32-NEXT: ld.bu $a4, $a0, 7
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; LA32-NEXT: slli.w $a1, $a1, 8
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; LA32-NEXT: or $a1, $a1, $a2
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; LA32-NEXT: slli.w $a2, $a3, 16
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; LA32-NEXT: slli.w $a3, $a4, 24
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; LA32-NEXT: or $a2, $a3, $a2
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; LA32-NEXT: or $a1, $a2, $a1
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; LA32-NEXT: st.w $a1, $sp, 4
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; LA32-NEXT: ld.bu $a1, $a0, 1
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; LA32-NEXT: ld.bu $a2, $a0, 0
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; LA32-NEXT: ld.bu $a3, $a0, 2
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; LA32-NEXT: ld.bu $a0, $a0, 3
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; LA32-NEXT: slli.w $a1, $a1, 8
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; LA32-NEXT: or $a1, $a1, $a2
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; LA32-NEXT: slli.w $a2, $a3, 16
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; LA32-NEXT: slli.w $a0, $a0, 24
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; LA32-NEXT: or $a0, $a0, $a2
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; LA32-NEXT: or $a0, $a0, $a1
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; LA32-NEXT: st.w $a0, $sp, 0
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; LA32-NEXT: addi.w $sp, $sp, 64
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; LA32-NEXT: ret
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;
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; LA64-LABEL: t3:
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; LA64: # %bb.0: # %entry
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; LA64-NEXT: addi.d $sp, $sp, -64
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; LA64-NEXT: .cfi_def_cfa_offset 64
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; LA64-NEXT: pcalau12i $a0, %pc_hi20(.L.str)
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; LA64-NEXT: addi.d $a0, $a0, %pc_lo12(.L.str)
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; LA64-NEXT: ld.b $a1, $a0, 21
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; LA64-NEXT: ld.bu $a2, $a0, 20
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; LA64-NEXT: slli.d $a1, $a1, 8
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; LA64-NEXT: or $a1, $a1, $a2
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; LA64-NEXT: st.h $a1, $sp, 20
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; LA64-NEXT: ld.bu $a1, $a0, 17
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; LA64-NEXT: ld.bu $a2, $a0, 16
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; LA64-NEXT: ld.bu $a3, $a0, 18
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; LA64-NEXT: ld.b $a4, $a0, 19
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; LA64-NEXT: slli.d $a1, $a1, 8
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; LA64-NEXT: or $a1, $a1, $a2
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; LA64-NEXT: slli.d $a2, $a3, 16
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; LA64-NEXT: slli.d $a3, $a4, 24
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; LA64-NEXT: or $a2, $a3, $a2
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; LA64-NEXT: or $a1, $a2, $a1
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; LA64-NEXT: st.w $a1, $sp, 16
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; LA64-NEXT: ld.bu $a1, $a0, 9
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; LA64-NEXT: ld.bu $a2, $a0, 8
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; LA64-NEXT: ld.bu $a3, $a0, 10
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; LA64-NEXT: ld.bu $a4, $a0, 11
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; LA64-NEXT: slli.d $a1, $a1, 8
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; LA64-NEXT: or $a1, $a1, $a2
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; LA64-NEXT: slli.d $a2, $a3, 16
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; LA64-NEXT: slli.d $a3, $a4, 24
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; LA64-NEXT: or $a2, $a3, $a2
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; LA64-NEXT: or $a1, $a2, $a1
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; LA64-NEXT: ld.bu $a2, $a0, 13
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; LA64-NEXT: ld.bu $a3, $a0, 12
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; LA64-NEXT: ld.bu $a4, $a0, 14
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; LA64-NEXT: ld.bu $a5, $a0, 15
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; LA64-NEXT: slli.d $a2, $a2, 8
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; LA64-NEXT: or $a2, $a2, $a3
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; LA64-NEXT: slli.d $a3, $a4, 16
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; LA64-NEXT: slli.d $a4, $a5, 24
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; LA64-NEXT: or $a3, $a4, $a3
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; LA64-NEXT: or $a2, $a3, $a2
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; LA64-NEXT: slli.d $a2, $a2, 32
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; LA64-NEXT: or $a1, $a2, $a1
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; LA64-NEXT: st.d $a1, $sp, 8
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; LA64-NEXT: ld.bu $a1, $a0, 1
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; LA64-NEXT: ld.bu $a2, $a0, 0
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; LA64-NEXT: ld.bu $a3, $a0, 2
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; LA64-NEXT: ld.bu $a4, $a0, 3
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; LA64-NEXT: slli.d $a1, $a1, 8
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; LA64-NEXT: or $a1, $a1, $a2
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; LA64-NEXT: slli.d $a2, $a3, 16
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; LA64-NEXT: slli.d $a3, $a4, 24
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; LA64-NEXT: or $a2, $a3, $a2
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; LA64-NEXT: or $a1, $a2, $a1
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; LA64-NEXT: ld.bu $a2, $a0, 5
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; LA64-NEXT: ld.bu $a3, $a0, 4
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; LA64-NEXT: ld.bu $a4, $a0, 6
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; LA64-NEXT: ld.bu $a0, $a0, 7
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; LA64-NEXT: slli.d $a2, $a2, 8
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; LA64-NEXT: or $a2, $a2, $a3
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; LA64-NEXT: slli.d $a3, $a4, 16
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; LA64-NEXT: slli.d $a0, $a0, 24
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; LA64-NEXT: or $a0, $a0, $a3
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; LA64-NEXT: or $a0, $a0, $a2
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; LA64-NEXT: slli.d $a0, $a0, 32
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; LA64-NEXT: or $a0, $a0, $a1
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; LA64-NEXT: st.d $a0, $sp, 0
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; LA64-NEXT: addi.d $sp, $sp, 64
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; LA64-NEXT: ret
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entry:
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%msgbuf = alloca [64 x i8], align 1
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call void @llvm.memcpy.p0.p0.i64(ptr align 1 %msgbuf, ptr align 1 @.str, i64 22, i1 false)
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ret void
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}
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declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture readonly, i64, i1)

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