derek.holloway
7502bf64a4
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271 lines
13 KiB
LLVM
271 lines
13 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=riscv32 -mattr=+v,+d -O0 < %s \
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; RUN: | FileCheck --check-prefix=SPILL-O0 %s
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; RUN: llc -mtriple=riscv32 -mattr=+v,+d -O2 < %s \
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; RUN: | FileCheck --check-prefix=SPILL-O2 %s
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; RUN: llc -mtriple=riscv32 -mattr=+v,+d,+zcmp -O2 < %s \
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; RUN: | FileCheck --check-prefix=SPILL-O2-ZCMP %s
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; RUN: llc -mtriple=riscv32 -mattr=+v,+d,+prefer-vsetvli-over-read-vlenb -O0 < %s \
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; RUN: | FileCheck --check-prefix=SPILL-O0-VSETVLI %s
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; RUN: llc -mtriple=riscv32 -mattr=+v,+d,+prefer-vsetvli-over-read-vlenb -O2 < %s \
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; RUN: | FileCheck --check-prefix=SPILL-O2-VSETVLI %s
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; RUN: llc -mtriple=riscv32 -mattr=+v,+d,+zcmp,+prefer-vsetvli-over-read-vlenb -O2 < %s \
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; RUN: | FileCheck --check-prefix=SPILL-O2-ZCMP-VSETVLI %s
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@.str = private unnamed_addr constant [6 x i8] c"hello\00", align 1
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define <vscale x 1 x double> @foo(<vscale x 1 x double> %a, <vscale x 1 x double> %b, <vscale x 1 x double> %c, i32 %gvl)
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; SPILL-O0-LABEL: foo:
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; SPILL-O0: # %bb.0:
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; SPILL-O0-NEXT: addi sp, sp, -32
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; SPILL-O0-NEXT: .cfi_def_cfa_offset 32
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; SPILL-O0-NEXT: sw ra, 28(sp) # 4-byte Folded Spill
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; SPILL-O0-NEXT: .cfi_offset ra, -4
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; SPILL-O0-NEXT: csrr a1, vlenb
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; SPILL-O0-NEXT: slli a1, a1, 1
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; SPILL-O0-NEXT: sub sp, sp, a1
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; SPILL-O0-NEXT: .cfi_escape 0x0f, 0x0d, 0x72, 0x00, 0x11, 0x20, 0x22, 0x11, 0x02, 0x92, 0xa2, 0x38, 0x00, 0x1e, 0x22 # sp + 32 + 2 * vlenb
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; SPILL-O0-NEXT: sw a0, 8(sp) # 4-byte Folded Spill
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; SPILL-O0-NEXT: vsetivli zero, 1, e8, m1, ta, ma
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; SPILL-O0-NEXT: vmv1r.v v10, v9
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; SPILL-O0-NEXT: vmv1r.v v9, v8
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; SPILL-O0-NEXT: csrr a1, vlenb
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; SPILL-O0-NEXT: add a1, sp, a1
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; SPILL-O0-NEXT: addi a1, a1, 16
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; SPILL-O0-NEXT: vs1r.v v9, (a1) # vscale x 8-byte Folded Spill
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; SPILL-O0-NEXT: # implicit-def: $v8
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; SPILL-O0-NEXT: vsetvli zero, a0, e64, m1, tu, ma
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; SPILL-O0-NEXT: vfadd.vv v8, v9, v10
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; SPILL-O0-NEXT: addi a0, sp, 16
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; SPILL-O0-NEXT: vs1r.v v8, (a0) # vscale x 8-byte Folded Spill
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; SPILL-O0-NEXT: lui a0, %hi(.L.str)
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; SPILL-O0-NEXT: addi a0, a0, %lo(.L.str)
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; SPILL-O0-NEXT: call puts
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; SPILL-O0-NEXT: addi a0, sp, 16
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; SPILL-O0-NEXT: vl1r.v v10, (a0) # vscale x 8-byte Folded Reload
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; SPILL-O0-NEXT: csrr a0, vlenb
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; SPILL-O0-NEXT: add a0, sp, a0
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; SPILL-O0-NEXT: addi a0, a0, 16
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; SPILL-O0-NEXT: vl1r.v v9, (a0) # vscale x 8-byte Folded Reload
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; SPILL-O0-NEXT: lw a0, 8(sp) # 4-byte Folded Reload
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; SPILL-O0-NEXT: # implicit-def: $v8
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; SPILL-O0-NEXT: vsetvli zero, a0, e64, m1, tu, ma
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; SPILL-O0-NEXT: vfadd.vv v8, v9, v10
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; SPILL-O0-NEXT: csrr a0, vlenb
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; SPILL-O0-NEXT: slli a0, a0, 1
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; SPILL-O0-NEXT: add sp, sp, a0
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; SPILL-O0-NEXT: .cfi_def_cfa sp, 32
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; SPILL-O0-NEXT: lw ra, 28(sp) # 4-byte Folded Reload
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; SPILL-O0-NEXT: .cfi_restore ra
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; SPILL-O0-NEXT: addi sp, sp, 32
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; SPILL-O0-NEXT: .cfi_def_cfa_offset 0
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; SPILL-O0-NEXT: ret
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;
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; SPILL-O2-LABEL: foo:
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; SPILL-O2: # %bb.0:
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; SPILL-O2-NEXT: addi sp, sp, -32
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; SPILL-O2-NEXT: .cfi_def_cfa_offset 32
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; SPILL-O2-NEXT: sw ra, 28(sp) # 4-byte Folded Spill
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; SPILL-O2-NEXT: sw s0, 24(sp) # 4-byte Folded Spill
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; SPILL-O2-NEXT: .cfi_offset ra, -4
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; SPILL-O2-NEXT: .cfi_offset s0, -8
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; SPILL-O2-NEXT: csrr a1, vlenb
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; SPILL-O2-NEXT: slli a1, a1, 1
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; SPILL-O2-NEXT: sub sp, sp, a1
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; SPILL-O2-NEXT: .cfi_escape 0x0f, 0x0d, 0x72, 0x00, 0x11, 0x20, 0x22, 0x11, 0x02, 0x92, 0xa2, 0x38, 0x00, 0x1e, 0x22 # sp + 32 + 2 * vlenb
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; SPILL-O2-NEXT: mv s0, a0
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; SPILL-O2-NEXT: addi a1, sp, 16
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; SPILL-O2-NEXT: vs1r.v v8, (a1) # vscale x 8-byte Folded Spill
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; SPILL-O2-NEXT: vsetvli zero, a0, e64, m1, ta, ma
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; SPILL-O2-NEXT: vfadd.vv v9, v8, v9
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; SPILL-O2-NEXT: csrr a0, vlenb
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; SPILL-O2-NEXT: add a0, sp, a0
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; SPILL-O2-NEXT: addi a0, a0, 16
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; SPILL-O2-NEXT: vs1r.v v9, (a0) # vscale x 8-byte Folded Spill
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; SPILL-O2-NEXT: lui a0, %hi(.L.str)
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; SPILL-O2-NEXT: addi a0, a0, %lo(.L.str)
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; SPILL-O2-NEXT: call puts
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; SPILL-O2-NEXT: csrr a0, vlenb
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; SPILL-O2-NEXT: add a0, sp, a0
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; SPILL-O2-NEXT: addi a0, a0, 16
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; SPILL-O2-NEXT: vl1r.v v8, (a0) # vscale x 8-byte Folded Reload
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; SPILL-O2-NEXT: addi a0, sp, 16
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; SPILL-O2-NEXT: vl1r.v v9, (a0) # vscale x 8-byte Folded Reload
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; SPILL-O2-NEXT: vsetvli zero, s0, e64, m1, ta, ma
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; SPILL-O2-NEXT: vfadd.vv v8, v9, v8
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; SPILL-O2-NEXT: csrr a0, vlenb
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; SPILL-O2-NEXT: slli a0, a0, 1
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; SPILL-O2-NEXT: add sp, sp, a0
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; SPILL-O2-NEXT: .cfi_def_cfa sp, 32
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; SPILL-O2-NEXT: lw ra, 28(sp) # 4-byte Folded Reload
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; SPILL-O2-NEXT: lw s0, 24(sp) # 4-byte Folded Reload
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; SPILL-O2-NEXT: .cfi_restore ra
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; SPILL-O2-NEXT: .cfi_restore s0
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; SPILL-O2-NEXT: addi sp, sp, 32
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; SPILL-O2-NEXT: .cfi_def_cfa_offset 0
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; SPILL-O2-NEXT: ret
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;
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; SPILL-O2-ZCMP-LABEL: foo:
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; SPILL-O2-ZCMP: # %bb.0:
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; SPILL-O2-ZCMP-NEXT: cm.push {ra, s0}, -32
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; SPILL-O2-ZCMP-NEXT: .cfi_def_cfa_offset 32
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; SPILL-O2-ZCMP-NEXT: .cfi_offset ra, -8
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; SPILL-O2-ZCMP-NEXT: .cfi_offset s0, -4
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; SPILL-O2-ZCMP-NEXT: csrr a1, vlenb
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; SPILL-O2-ZCMP-NEXT: slli a1, a1, 1
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; SPILL-O2-ZCMP-NEXT: sub sp, sp, a1
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; SPILL-O2-ZCMP-NEXT: .cfi_escape 0x0f, 0x0d, 0x72, 0x00, 0x11, 0x20, 0x22, 0x11, 0x02, 0x92, 0xa2, 0x38, 0x00, 0x1e, 0x22 # sp + 32 + 2 * vlenb
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; SPILL-O2-ZCMP-NEXT: mv s0, a0
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; SPILL-O2-ZCMP-NEXT: addi a1, sp, 16
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; SPILL-O2-ZCMP-NEXT: vs1r.v v8, (a1) # vscale x 8-byte Folded Spill
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; SPILL-O2-ZCMP-NEXT: vsetvli zero, a0, e64, m1, ta, ma
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; SPILL-O2-ZCMP-NEXT: vfadd.vv v9, v8, v9
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; SPILL-O2-ZCMP-NEXT: csrr a0, vlenb
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; SPILL-O2-ZCMP-NEXT: add a0, a0, sp
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; SPILL-O2-ZCMP-NEXT: addi a0, a0, 16
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; SPILL-O2-ZCMP-NEXT: vs1r.v v9, (a0) # vscale x 8-byte Folded Spill
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; SPILL-O2-ZCMP-NEXT: lui a0, %hi(.L.str)
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; SPILL-O2-ZCMP-NEXT: addi a0, a0, %lo(.L.str)
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; SPILL-O2-ZCMP-NEXT: call puts
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; SPILL-O2-ZCMP-NEXT: csrr a0, vlenb
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; SPILL-O2-ZCMP-NEXT: add a0, a0, sp
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; SPILL-O2-ZCMP-NEXT: addi a0, a0, 16
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; SPILL-O2-ZCMP-NEXT: vl1r.v v8, (a0) # vscale x 8-byte Folded Reload
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; SPILL-O2-ZCMP-NEXT: addi a0, sp, 16
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; SPILL-O2-ZCMP-NEXT: vl1r.v v9, (a0) # vscale x 8-byte Folded Reload
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; SPILL-O2-ZCMP-NEXT: vsetvli zero, s0, e64, m1, ta, ma
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; SPILL-O2-ZCMP-NEXT: vfadd.vv v8, v9, v8
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; SPILL-O2-ZCMP-NEXT: csrr a0, vlenb
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; SPILL-O2-ZCMP-NEXT: slli a0, a0, 1
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; SPILL-O2-ZCMP-NEXT: add sp, sp, a0
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; SPILL-O2-ZCMP-NEXT: .cfi_def_cfa sp, 32
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; SPILL-O2-ZCMP-NEXT: cm.popret {ra, s0}, 32
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;
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; SPILL-O0-VSETVLI-LABEL: foo:
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; SPILL-O0-VSETVLI: # %bb.0:
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; SPILL-O0-VSETVLI-NEXT: addi sp, sp, -32
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; SPILL-O0-VSETVLI-NEXT: .cfi_def_cfa_offset 32
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; SPILL-O0-VSETVLI-NEXT: sw ra, 28(sp) # 4-byte Folded Spill
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; SPILL-O0-VSETVLI-NEXT: .cfi_offset ra, -4
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; SPILL-O0-VSETVLI-NEXT: vsetvli a1, zero, e8, m2, ta, ma
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; SPILL-O0-VSETVLI-NEXT: sub sp, sp, a1
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; SPILL-O0-VSETVLI-NEXT: .cfi_escape 0x0f, 0x0d, 0x72, 0x00, 0x11, 0x20, 0x22, 0x11, 0x02, 0x92, 0xa2, 0x38, 0x00, 0x1e, 0x22 # sp + 32 + 2 * vlenb
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; SPILL-O0-VSETVLI-NEXT: sw a0, 8(sp) # 4-byte Folded Spill
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; SPILL-O0-VSETVLI-NEXT: vsetivli zero, 1, e8, m1, ta, ma
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; SPILL-O0-VSETVLI-NEXT: vmv1r.v v10, v9
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; SPILL-O0-VSETVLI-NEXT: vmv1r.v v9, v8
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; SPILL-O0-VSETVLI-NEXT: csrr a1, vlenb
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; SPILL-O0-VSETVLI-NEXT: add a1, sp, a1
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; SPILL-O0-VSETVLI-NEXT: addi a1, a1, 16
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; SPILL-O0-VSETVLI-NEXT: vs1r.v v9, (a1) # vscale x 8-byte Folded Spill
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; SPILL-O0-VSETVLI-NEXT: # implicit-def: $v8
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; SPILL-O0-VSETVLI-NEXT: vsetvli zero, a0, e64, m1, tu, ma
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; SPILL-O0-VSETVLI-NEXT: vfadd.vv v8, v9, v10
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; SPILL-O0-VSETVLI-NEXT: addi a0, sp, 16
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; SPILL-O0-VSETVLI-NEXT: vs1r.v v8, (a0) # vscale x 8-byte Folded Spill
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; SPILL-O0-VSETVLI-NEXT: lui a0, %hi(.L.str)
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; SPILL-O0-VSETVLI-NEXT: addi a0, a0, %lo(.L.str)
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; SPILL-O0-VSETVLI-NEXT: call puts
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; SPILL-O0-VSETVLI-NEXT: addi a0, sp, 16
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; SPILL-O0-VSETVLI-NEXT: vl1r.v v10, (a0) # vscale x 8-byte Folded Reload
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; SPILL-O0-VSETVLI-NEXT: csrr a0, vlenb
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; SPILL-O0-VSETVLI-NEXT: add a0, sp, a0
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; SPILL-O0-VSETVLI-NEXT: addi a0, a0, 16
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; SPILL-O0-VSETVLI-NEXT: vl1r.v v9, (a0) # vscale x 8-byte Folded Reload
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; SPILL-O0-VSETVLI-NEXT: lw a0, 8(sp) # 4-byte Folded Reload
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; SPILL-O0-VSETVLI-NEXT: # implicit-def: $v8
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; SPILL-O0-VSETVLI-NEXT: vsetvli zero, a0, e64, m1, tu, ma
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; SPILL-O0-VSETVLI-NEXT: vfadd.vv v8, v9, v10
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; SPILL-O0-VSETVLI-NEXT: vsetvli a0, zero, e8, m2, ta, ma
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; SPILL-O0-VSETVLI-NEXT: add sp, sp, a0
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; SPILL-O0-VSETVLI-NEXT: .cfi_def_cfa sp, 32
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; SPILL-O0-VSETVLI-NEXT: lw ra, 28(sp) # 4-byte Folded Reload
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; SPILL-O0-VSETVLI-NEXT: .cfi_restore ra
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; SPILL-O0-VSETVLI-NEXT: addi sp, sp, 32
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; SPILL-O0-VSETVLI-NEXT: .cfi_def_cfa_offset 0
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; SPILL-O0-VSETVLI-NEXT: ret
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;
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; SPILL-O2-VSETVLI-LABEL: foo:
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; SPILL-O2-VSETVLI: # %bb.0:
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; SPILL-O2-VSETVLI-NEXT: addi sp, sp, -32
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; SPILL-O2-VSETVLI-NEXT: .cfi_def_cfa_offset 32
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; SPILL-O2-VSETVLI-NEXT: sw ra, 28(sp) # 4-byte Folded Spill
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; SPILL-O2-VSETVLI-NEXT: sw s0, 24(sp) # 4-byte Folded Spill
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; SPILL-O2-VSETVLI-NEXT: .cfi_offset ra, -4
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; SPILL-O2-VSETVLI-NEXT: .cfi_offset s0, -8
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; SPILL-O2-VSETVLI-NEXT: vsetvli a1, zero, e8, m2, ta, ma
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; SPILL-O2-VSETVLI-NEXT: sub sp, sp, a1
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; SPILL-O2-VSETVLI-NEXT: .cfi_escape 0x0f, 0x0d, 0x72, 0x00, 0x11, 0x20, 0x22, 0x11, 0x02, 0x92, 0xa2, 0x38, 0x00, 0x1e, 0x22 # sp + 32 + 2 * vlenb
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; SPILL-O2-VSETVLI-NEXT: mv s0, a0
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; SPILL-O2-VSETVLI-NEXT: addi a1, sp, 16
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; SPILL-O2-VSETVLI-NEXT: vs1r.v v8, (a1) # vscale x 8-byte Folded Spill
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; SPILL-O2-VSETVLI-NEXT: vsetvli zero, a0, e64, m1, ta, ma
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; SPILL-O2-VSETVLI-NEXT: vfadd.vv v9, v8, v9
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; SPILL-O2-VSETVLI-NEXT: csrr a0, vlenb
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; SPILL-O2-VSETVLI-NEXT: add a0, sp, a0
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; SPILL-O2-VSETVLI-NEXT: addi a0, a0, 16
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; SPILL-O2-VSETVLI-NEXT: vs1r.v v9, (a0) # vscale x 8-byte Folded Spill
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; SPILL-O2-VSETVLI-NEXT: lui a0, %hi(.L.str)
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; SPILL-O2-VSETVLI-NEXT: addi a0, a0, %lo(.L.str)
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; SPILL-O2-VSETVLI-NEXT: call puts
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; SPILL-O2-VSETVLI-NEXT: csrr a0, vlenb
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; SPILL-O2-VSETVLI-NEXT: add a0, sp, a0
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; SPILL-O2-VSETVLI-NEXT: addi a0, a0, 16
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; SPILL-O2-VSETVLI-NEXT: vl1r.v v8, (a0) # vscale x 8-byte Folded Reload
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; SPILL-O2-VSETVLI-NEXT: addi a0, sp, 16
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; SPILL-O2-VSETVLI-NEXT: vl1r.v v9, (a0) # vscale x 8-byte Folded Reload
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; SPILL-O2-VSETVLI-NEXT: vsetvli zero, s0, e64, m1, ta, ma
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; SPILL-O2-VSETVLI-NEXT: vfadd.vv v8, v9, v8
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; SPILL-O2-VSETVLI-NEXT: vsetvli a0, zero, e8, m2, ta, ma
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; SPILL-O2-VSETVLI-NEXT: add sp, sp, a0
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; SPILL-O2-VSETVLI-NEXT: .cfi_def_cfa sp, 32
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; SPILL-O2-VSETVLI-NEXT: lw ra, 28(sp) # 4-byte Folded Reload
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; SPILL-O2-VSETVLI-NEXT: lw s0, 24(sp) # 4-byte Folded Reload
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; SPILL-O2-VSETVLI-NEXT: .cfi_restore ra
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; SPILL-O2-VSETVLI-NEXT: .cfi_restore s0
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; SPILL-O2-VSETVLI-NEXT: addi sp, sp, 32
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; SPILL-O2-VSETVLI-NEXT: .cfi_def_cfa_offset 0
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; SPILL-O2-VSETVLI-NEXT: ret
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;
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; SPILL-O2-ZCMP-VSETVLI-LABEL: foo:
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; SPILL-O2-ZCMP-VSETVLI: # %bb.0:
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; SPILL-O2-ZCMP-VSETVLI-NEXT: cm.push {ra, s0}, -32
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; SPILL-O2-ZCMP-VSETVLI-NEXT: .cfi_def_cfa_offset 32
|
|
; SPILL-O2-ZCMP-VSETVLI-NEXT: .cfi_offset ra, -8
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|
; SPILL-O2-ZCMP-VSETVLI-NEXT: .cfi_offset s0, -4
|
|
; SPILL-O2-ZCMP-VSETVLI-NEXT: vsetvli a1, zero, e8, m2, ta, ma
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|
; SPILL-O2-ZCMP-VSETVLI-NEXT: sub sp, sp, a1
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|
; SPILL-O2-ZCMP-VSETVLI-NEXT: .cfi_escape 0x0f, 0x0d, 0x72, 0x00, 0x11, 0x20, 0x22, 0x11, 0x02, 0x92, 0xa2, 0x38, 0x00, 0x1e, 0x22 # sp + 32 + 2 * vlenb
|
|
; SPILL-O2-ZCMP-VSETVLI-NEXT: mv s0, a0
|
|
; SPILL-O2-ZCMP-VSETVLI-NEXT: addi a1, sp, 16
|
|
; SPILL-O2-ZCMP-VSETVLI-NEXT: vs1r.v v8, (a1) # vscale x 8-byte Folded Spill
|
|
; SPILL-O2-ZCMP-VSETVLI-NEXT: vsetvli zero, a0, e64, m1, ta, ma
|
|
; SPILL-O2-ZCMP-VSETVLI-NEXT: vfadd.vv v9, v8, v9
|
|
; SPILL-O2-ZCMP-VSETVLI-NEXT: csrr a0, vlenb
|
|
; SPILL-O2-ZCMP-VSETVLI-NEXT: add a0, a0, sp
|
|
; SPILL-O2-ZCMP-VSETVLI-NEXT: addi a0, a0, 16
|
|
; SPILL-O2-ZCMP-VSETVLI-NEXT: vs1r.v v9, (a0) # vscale x 8-byte Folded Spill
|
|
; SPILL-O2-ZCMP-VSETVLI-NEXT: lui a0, %hi(.L.str)
|
|
; SPILL-O2-ZCMP-VSETVLI-NEXT: addi a0, a0, %lo(.L.str)
|
|
; SPILL-O2-ZCMP-VSETVLI-NEXT: call puts
|
|
; SPILL-O2-ZCMP-VSETVLI-NEXT: csrr a0, vlenb
|
|
; SPILL-O2-ZCMP-VSETVLI-NEXT: add a0, a0, sp
|
|
; SPILL-O2-ZCMP-VSETVLI-NEXT: addi a0, a0, 16
|
|
; SPILL-O2-ZCMP-VSETVLI-NEXT: vl1r.v v8, (a0) # vscale x 8-byte Folded Reload
|
|
; SPILL-O2-ZCMP-VSETVLI-NEXT: addi a0, sp, 16
|
|
; SPILL-O2-ZCMP-VSETVLI-NEXT: vl1r.v v9, (a0) # vscale x 8-byte Folded Reload
|
|
; SPILL-O2-ZCMP-VSETVLI-NEXT: vsetvli zero, s0, e64, m1, ta, ma
|
|
; SPILL-O2-ZCMP-VSETVLI-NEXT: vfadd.vv v8, v9, v8
|
|
; SPILL-O2-ZCMP-VSETVLI-NEXT: vsetvli a0, zero, e8, m2, ta, ma
|
|
; SPILL-O2-ZCMP-VSETVLI-NEXT: add sp, sp, a0
|
|
; SPILL-O2-ZCMP-VSETVLI-NEXT: .cfi_def_cfa sp, 32
|
|
; SPILL-O2-ZCMP-VSETVLI-NEXT: cm.popret {ra, s0}, 32
|
|
{
|
|
%x = call <vscale x 1 x double> @llvm.riscv.vfadd.nxv1f64.nxv1f64(<vscale x 1 x double> poison, <vscale x 1 x double> %a, <vscale x 1 x double> %b, i32 7, i32 %gvl)
|
|
%call = call signext i32 @puts(ptr @.str)
|
|
%z = call <vscale x 1 x double> @llvm.riscv.vfadd.nxv1f64.nxv1f64(<vscale x 1 x double> poison, <vscale x 1 x double> %a, <vscale x 1 x double> %x, i32 7, i32 %gvl)
|
|
ret <vscale x 1 x double> %z
|
|
}
|
|
|
|
declare i32 @puts(ptr);
|