derek.holloway
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71 lines
2.3 KiB
LLVM
71 lines
2.3 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 %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-SD
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; RUN: llc -mtriple=aarch64-none-linux-gnu -global-isel %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-GI
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declare i32 @llvm.get.fpmode.i32()
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declare void @llvm.set.fpmode.i32(i32 %fpmode)
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declare void @llvm.reset.fpmode()
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define i32 @func_get_fpmode() #0 {
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; CHECK-SD-LABEL: func_get_fpmode:
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; CHECK-SD: // %bb.0: // %entry
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; CHECK-SD-NEXT: mrs x0, FPCR
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; CHECK-SD-NEXT: // kill: def $w0 killed $w0 killed $x0
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; CHECK-SD-NEXT: ret
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;
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; CHECK-GI-LABEL: func_get_fpmode:
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; CHECK-GI: // %bb.0: // %entry
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; CHECK-GI-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
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; CHECK-GI-NEXT: add x0, sp, #12
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; CHECK-GI-NEXT: bl fegetmode
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; CHECK-GI-NEXT: ldr w0, [sp, #12]
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; CHECK-GI-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
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; CHECK-GI-NEXT: ret
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entry:
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%fpmode = call i32 @llvm.get.fpmode.i32()
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ret i32 %fpmode
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}
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define void @func_set_fpmode(i32 %fpmode) #0 {
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; CHECK-SD-LABEL: func_set_fpmode:
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; CHECK-SD: // %bb.0: // %entry
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; CHECK-SD-NEXT: mov w8, w0
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; CHECK-SD-NEXT: msr FPCR, x8
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; CHECK-SD-NEXT: ret
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;
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; CHECK-GI-LABEL: func_set_fpmode:
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; CHECK-GI: // %bb.0: // %entry
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; CHECK-GI-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill
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; CHECK-GI-NEXT: str w0, [sp, #12]
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; CHECK-GI-NEXT: add x0, sp, #12
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; CHECK-GI-NEXT: bl fesetmode
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; CHECK-GI-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload
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; CHECK-GI-NEXT: ret
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entry:
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call void @llvm.set.fpmode.i32(i32 %fpmode)
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ret void
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}
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define void @func_reset_fpmode() #0 {
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; CHECK-SD-LABEL: func_reset_fpmode:
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; CHECK-SD: // %bb.0: // %entry
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; CHECK-SD-NEXT: mov x9, #-48904 // =0xffffffffffff40f8
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; CHECK-SD-NEXT: mrs x8, FPCR
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; CHECK-SD-NEXT: movk x9, #63488, lsl #16
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; CHECK-SD-NEXT: and x8, x8, x9
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; CHECK-SD-NEXT: msr FPCR, x8
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; CHECK-SD-NEXT: ret
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;
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; CHECK-GI-LABEL: func_reset_fpmode:
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; CHECK-GI: // %bb.0: // %entry
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; CHECK-GI-NEXT: mov x0, #-1 // =0xffffffffffffffff
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; CHECK-GI-NEXT: b fesetmode
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entry:
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call void @llvm.reset.fpmode()
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ret void
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}
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attributes #0 = { nounwind }
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;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
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; CHECK: {{.*}}
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