059722da5e
This reverts commit 9cc8442a2b438962883bbbfd8ff62ad4b1a2b95d. This reverts commit 859c871184bdfdebb47b5c7ec5e59348e0534e0b. A performance regression was reported on the original review. There appears to have been an unexpected interaction here. Reverting during investigation.
72 lines
2.3 KiB
LLVM
72 lines
2.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=riscv32 -mattr=+zfhmin -target-abi=ilp32 -verify-machineinstrs < %s \
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; RUN: | FileCheck %s
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define fastcc half @callee(<32 x half> %A) nounwind {
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; CHECK-LABEL: callee:
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; CHECK: # %bb.0:
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; CHECK-NEXT: fmv.x.h a0, fa0
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; CHECK-NEXT: ret
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%B = extractelement <32 x half> %A, i32 0
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ret half %B
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}
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; With the fastcc, arguments will be passed by fa0-fa7 and ft0-ft11.
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; The rest will be pushed on the stack.
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define half @caller(<32 x half> %A) nounwind {
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; CHECK-LABEL: caller:
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; CHECK: # %bb.0:
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; CHECK-NEXT: addi sp, sp, -32
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; CHECK-NEXT: sw ra, 28(sp) # 4-byte Folded Spill
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; CHECK-NEXT: fmv.h.x fa0, a0
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; CHECK-NEXT: fmv.h.x fa1, a1
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; CHECK-NEXT: fmv.h.x fa2, a2
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; CHECK-NEXT: fmv.h.x fa3, a3
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; CHECK-NEXT: fmv.h.x fa4, a4
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; CHECK-NEXT: flh ft0, 32(sp)
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; CHECK-NEXT: flh ft1, 36(sp)
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; CHECK-NEXT: flh ft2, 40(sp)
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; CHECK-NEXT: flh ft3, 44(sp)
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; CHECK-NEXT: flh ft4, 48(sp)
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; CHECK-NEXT: flh ft5, 52(sp)
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; CHECK-NEXT: flh ft6, 56(sp)
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; CHECK-NEXT: flh ft7, 60(sp)
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; CHECK-NEXT: flh ft8, 64(sp)
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; CHECK-NEXT: flh ft9, 68(sp)
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; CHECK-NEXT: flh ft10, 72(sp)
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; CHECK-NEXT: flh ft11, 76(sp)
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; CHECK-NEXT: flh fs0, 80(sp)
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; CHECK-NEXT: flh fs1, 84(sp)
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; CHECK-NEXT: flh fs2, 88(sp)
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; CHECK-NEXT: flh fs3, 92(sp)
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; CHECK-NEXT: flh fs4, 96(sp)
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; CHECK-NEXT: flh fs5, 100(sp)
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; CHECK-NEXT: flh fs6, 104(sp)
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; CHECK-NEXT: flh fs7, 108(sp)
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; CHECK-NEXT: flh fs8, 112(sp)
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; CHECK-NEXT: flh fs9, 116(sp)
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; CHECK-NEXT: flh fs10, 120(sp)
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; CHECK-NEXT: flh fs11, 124(sp)
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; CHECK-NEXT: fmv.h.x fa5, a5
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; CHECK-NEXT: fmv.h.x fa6, a6
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; CHECK-NEXT: fmv.h.x fa7, a7
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; CHECK-NEXT: fsh fs8, 16(sp)
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; CHECK-NEXT: fsh fs9, 18(sp)
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; CHECK-NEXT: fsh fs10, 20(sp)
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; CHECK-NEXT: fsh fs11, 22(sp)
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; CHECK-NEXT: fsh fs4, 8(sp)
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; CHECK-NEXT: fsh fs5, 10(sp)
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; CHECK-NEXT: fsh fs6, 12(sp)
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; CHECK-NEXT: fsh fs7, 14(sp)
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; CHECK-NEXT: fsh fs0, 0(sp)
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; CHECK-NEXT: fsh fs1, 2(sp)
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; CHECK-NEXT: fsh fs2, 4(sp)
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; CHECK-NEXT: fsh fs3, 6(sp)
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; CHECK-NEXT: call callee
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; CHECK-NEXT: lw ra, 28(sp) # 4-byte Folded Reload
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; CHECK-NEXT: addi sp, sp, 32
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; CHECK-NEXT: ret
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%C = call fastcc half @callee(<32 x half> %A)
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ret half %C
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}
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