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AArch64: Add arm64ec libcall tests for __arm_sc_* functions #144356

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Merged
arsenm merged 1 commit into from
Jun 17, 2025
Merged

AArch64: Add arm64ec libcall tests for __arm_sc_* functions #144356

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30 changes: 30 additions & 0 deletions llvm/test/CodeGen/AArch64/arm64ec-builtins.ll
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Original file line number Diff line number Diff line change
Expand Up @@ -43,3 +43,33 @@ define float @f6(float %val, i32 %a) {
%call = tail call fast float @llvm.ldexp.f32(float %val, i32 %a)
ret float %call
}

@dst = global [512 x i8] zeroinitializer, align 1
@src = global [512 x i8] zeroinitializer, align 1

; FIXME: Wrong and probably needs a # prefix
define void @call__arm_sc_memcpy(i64 noundef %n) #0 {
; CHECK-LABEL: "#call__arm_sc_memcpy":
; CHECK: bl __arm_sc_memcpy

tail call void @llvm.memcpy.p0.p0.i64(ptr align 1 @dst, ptr nonnull align 1 @src, i64 %n, i1 false)
ret void
}

; FIXME: Wrong and probably needs a # prefix
define void @call__arm_sc_memmove(i64 noundef %n) #0 {
; CHECK-LABEL: "#call__arm_sc_memmove":
; CHECK: bl __arm_sc_memmove
tail call void @llvm.memmove.p0.p0.i64(ptr align 1 @dst, ptr nonnull align 1 @src, i64 %n, i1 false)
ret void
}

; FIXME: Wrong and probably needs a # prefix
define void @call__arm_sc_memset(i64 noundef %n) #0 {
; CHECK-LABEL: "#call__arm_sc_memset":
; CHECK: bl __arm_sc_memset
tail call void @llvm.memset.p0.i64(ptr align 1 @dst, i8 2, i64 %n, i1 false)
ret void
}

attributes #0 = { nounwind "aarch64_pstate_sm_enabled" "target-features"="+sme2" }
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