43 lines
1.3 KiB
LLVM
43 lines
1.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
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; RUN: llc -mtriple=aarch64-none-linux-gnu -verify-machineinstrs -global-isel -global-isel-abort=1 %s -o - | FileCheck %s
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declare i64 @llvm.get.fpenv.i64()
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declare void @llvm.set.fpenv.i64(i64 %fpenv)
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declare void @llvm.reset.fpenv()
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define i64 @get_fpenv_01() nounwind {
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; CHECK-LABEL: get_fpenv_01:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
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; CHECK-NEXT: add x0, sp, #8
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; CHECK-NEXT: bl fegetenv
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; CHECK-NEXT: ldr x0, [sp, #8]
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; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
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; CHECK-NEXT: ret
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entry:
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%fpenv = call i64 @llvm.get.fpenv.i64()
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ret i64 %fpenv
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}
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define void @set_fpenv_01(i64 %fpenv) nounwind {
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; CHECK-LABEL: set_fpenv_01:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: stp x30, x0, [sp, #-16]! // 8-byte Folded Spill
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; CHECK-NEXT: add x0, sp, #8
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; CHECK-NEXT: bl fesetenv
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; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
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; CHECK-NEXT: ret
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entry:
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call void @llvm.set.fpenv.i64(i64 %fpenv)
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ret void
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}
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define void @reset_fpenv_01() nounwind {
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; CHECK-LABEL: reset_fpenv_01:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: mov x0, #-1 // =0xffffffffffffffff
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; CHECK-NEXT: b fesetenv
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entry:
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call void @llvm.reset.fpenv()
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ret void
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}
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