d39b4ce3ce
Using "eabi" for aarch64 targets is a common mistake and warned by Clang Driver. We want to avoid it elsewhere as well. Just use the common "aarch64" without other triple components.
49 lines
1.1 KiB
LLVM
49 lines
1.1 KiB
LLVM
; RUN: llc < %s -mtriple=aarch64 -mcpu=cortex-a57 2>&1 | FileCheck %s
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define i64 @read_encoded_register() nounwind {
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entry:
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; CHECK-LABEL: read_encoded_register:
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; CHECK: mrs x0, S1_2_C3_C4_5
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%reg = call i64 @llvm.read_register.i64(metadata !0)
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ret i64 %reg
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}
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define i64 @read_daif() nounwind {
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entry:
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; CHECK-LABEL: read_daif:
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; CHECK: mrs x0, DAIF
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%reg = call i64 @llvm.read_register.i64(metadata !1)
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ret i64 %reg
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}
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define void @write_encoded_register(i64 %x) nounwind {
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entry:
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; CHECK-LABEL: write_encoded_register:
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; CHECK: msr S1_2_C3_C4_5, x0
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call void @llvm.write_register.i64(metadata !0, i64 %x)
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ret void
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}
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define void @write_daif(i64 %x) nounwind {
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entry:
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; CHECK-LABEL: write_daif:
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; CHECK: msr DAIF, x0
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call void @llvm.write_register.i64(metadata !1, i64 %x)
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ret void
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}
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define void @write_daifset() nounwind {
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entry:
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; CHECK-LABEL: write_daifset:
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; CHECK: msr DAIFSet, #2
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call void @llvm.write_register.i64(metadata !2, i64 2)
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ret void
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}
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declare i64 @llvm.read_register.i64(metadata) nounwind
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declare void @llvm.write_register.i64(metadata, i64) nounwind
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!0 = !{!"1:2:3:4:5"}
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!1 = !{!"daif"}
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!2 = !{!"daifset"}
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