7af3d4ab3d
This reverts commit 5ebdb07e7eb366c20fa2d914e07a4d380975f266. Enabling shrink wrap by default can cause assertions or crashes, and these should first be investigated and fixed. For now, reverting the change so it can be cherry-picked into 14.0.0 is the safest choice.
242 lines
8.7 KiB
LLVM
242 lines
8.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=riscv32 < %s \
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; RUN: | FileCheck -check-prefix=RV32 %s
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; RUN: llc -mtriple=riscv64 < %s \
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; RUN: | FileCheck -check-prefix=RV64 %s
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; RUN: llc -mtriple=riscv32 -frame-pointer=all -verify-machineinstrs < %s \
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; RUN: | FileCheck -check-prefix=RV32-WITHFP %s
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; RUN: llc -mtriple=riscv64 -frame-pointer=all -verify-machineinstrs < %s \
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; RUN: | FileCheck -check-prefix=RV64-WITHFP %s
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define void @trivial() {
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; RV32-LABEL: trivial:
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; RV32: # %bb.0:
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; RV32-NEXT: ret
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;
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; RV64-LABEL: trivial:
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; RV64: # %bb.0:
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; RV64-NEXT: ret
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;
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; RV32-WITHFP-LABEL: trivial:
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; RV32-WITHFP: # %bb.0:
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; RV32-WITHFP-NEXT: addi sp, sp, -16
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; RV32-WITHFP-NEXT: .cfi_def_cfa_offset 16
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; RV32-WITHFP-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
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; RV32-WITHFP-NEXT: sw s0, 8(sp) # 4-byte Folded Spill
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; RV32-WITHFP-NEXT: .cfi_offset ra, -4
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; RV32-WITHFP-NEXT: .cfi_offset s0, -8
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; RV32-WITHFP-NEXT: addi s0, sp, 16
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; RV32-WITHFP-NEXT: .cfi_def_cfa s0, 0
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; RV32-WITHFP-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
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; RV32-WITHFP-NEXT: lw s0, 8(sp) # 4-byte Folded Reload
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; RV32-WITHFP-NEXT: addi sp, sp, 16
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; RV32-WITHFP-NEXT: ret
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;
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; RV64-WITHFP-LABEL: trivial:
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; RV64-WITHFP: # %bb.0:
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; RV64-WITHFP-NEXT: addi sp, sp, -16
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; RV64-WITHFP-NEXT: .cfi_def_cfa_offset 16
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; RV64-WITHFP-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
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; RV64-WITHFP-NEXT: sd s0, 0(sp) # 8-byte Folded Spill
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; RV64-WITHFP-NEXT: .cfi_offset ra, -8
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; RV64-WITHFP-NEXT: .cfi_offset s0, -16
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; RV64-WITHFP-NEXT: addi s0, sp, 16
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; RV64-WITHFP-NEXT: .cfi_def_cfa s0, 0
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; RV64-WITHFP-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
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; RV64-WITHFP-NEXT: ld s0, 0(sp) # 8-byte Folded Reload
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; RV64-WITHFP-NEXT: addi sp, sp, 16
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; RV64-WITHFP-NEXT: ret
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ret void
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}
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define void @stack_alloc(i32 signext %size) {
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; RV32-LABEL: stack_alloc:
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; RV32: # %bb.0: # %entry
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; RV32-NEXT: addi sp, sp, -16
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; RV32-NEXT: .cfi_def_cfa_offset 16
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; RV32-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
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; RV32-NEXT: sw s0, 8(sp) # 4-byte Folded Spill
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; RV32-NEXT: .cfi_offset ra, -4
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; RV32-NEXT: .cfi_offset s0, -8
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; RV32-NEXT: addi s0, sp, 16
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; RV32-NEXT: .cfi_def_cfa s0, 0
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; RV32-NEXT: addi a0, a0, 15
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; RV32-NEXT: andi a0, a0, -16
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; RV32-NEXT: sub a0, sp, a0
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; RV32-NEXT: mv sp, a0
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; RV32-NEXT: call callee_with_args@plt
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; RV32-NEXT: addi sp, s0, -16
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; RV32-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
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; RV32-NEXT: lw s0, 8(sp) # 4-byte Folded Reload
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; RV32-NEXT: addi sp, sp, 16
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; RV32-NEXT: ret
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;
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; RV64-LABEL: stack_alloc:
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; RV64: # %bb.0: # %entry
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; RV64-NEXT: addi sp, sp, -16
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; RV64-NEXT: .cfi_def_cfa_offset 16
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; RV64-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
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; RV64-NEXT: sd s0, 0(sp) # 8-byte Folded Spill
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; RV64-NEXT: .cfi_offset ra, -8
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; RV64-NEXT: .cfi_offset s0, -16
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; RV64-NEXT: addi s0, sp, 16
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; RV64-NEXT: .cfi_def_cfa s0, 0
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; RV64-NEXT: slli a0, a0, 32
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; RV64-NEXT: srli a0, a0, 32
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; RV64-NEXT: addi a0, a0, 15
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; RV64-NEXT: andi a0, a0, -16
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; RV64-NEXT: sub a0, sp, a0
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; RV64-NEXT: mv sp, a0
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; RV64-NEXT: call callee_with_args@plt
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; RV64-NEXT: addi sp, s0, -16
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; RV64-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
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; RV64-NEXT: ld s0, 0(sp) # 8-byte Folded Reload
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; RV64-NEXT: addi sp, sp, 16
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; RV64-NEXT: ret
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;
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; RV32-WITHFP-LABEL: stack_alloc:
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; RV32-WITHFP: # %bb.0: # %entry
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; RV32-WITHFP-NEXT: addi sp, sp, -16
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; RV32-WITHFP-NEXT: .cfi_def_cfa_offset 16
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; RV32-WITHFP-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
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; RV32-WITHFP-NEXT: sw s0, 8(sp) # 4-byte Folded Spill
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; RV32-WITHFP-NEXT: .cfi_offset ra, -4
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; RV32-WITHFP-NEXT: .cfi_offset s0, -8
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; RV32-WITHFP-NEXT: addi s0, sp, 16
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; RV32-WITHFP-NEXT: .cfi_def_cfa s0, 0
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; RV32-WITHFP-NEXT: addi a0, a0, 15
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; RV32-WITHFP-NEXT: andi a0, a0, -16
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; RV32-WITHFP-NEXT: sub a0, sp, a0
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; RV32-WITHFP-NEXT: mv sp, a0
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; RV32-WITHFP-NEXT: call callee_with_args@plt
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; RV32-WITHFP-NEXT: addi sp, s0, -16
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; RV32-WITHFP-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
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; RV32-WITHFP-NEXT: lw s0, 8(sp) # 4-byte Folded Reload
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; RV32-WITHFP-NEXT: addi sp, sp, 16
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; RV32-WITHFP-NEXT: ret
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;
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; RV64-WITHFP-LABEL: stack_alloc:
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; RV64-WITHFP: # %bb.0: # %entry
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; RV64-WITHFP-NEXT: addi sp, sp, -16
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; RV64-WITHFP-NEXT: .cfi_def_cfa_offset 16
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; RV64-WITHFP-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
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; RV64-WITHFP-NEXT: sd s0, 0(sp) # 8-byte Folded Spill
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; RV64-WITHFP-NEXT: .cfi_offset ra, -8
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; RV64-WITHFP-NEXT: .cfi_offset s0, -16
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; RV64-WITHFP-NEXT: addi s0, sp, 16
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; RV64-WITHFP-NEXT: .cfi_def_cfa s0, 0
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; RV64-WITHFP-NEXT: slli a0, a0, 32
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; RV64-WITHFP-NEXT: srli a0, a0, 32
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; RV64-WITHFP-NEXT: addi a0, a0, 15
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; RV64-WITHFP-NEXT: andi a0, a0, -16
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; RV64-WITHFP-NEXT: sub a0, sp, a0
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; RV64-WITHFP-NEXT: mv sp, a0
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; RV64-WITHFP-NEXT: call callee_with_args@plt
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; RV64-WITHFP-NEXT: addi sp, s0, -16
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; RV64-WITHFP-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
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; RV64-WITHFP-NEXT: ld s0, 0(sp) # 8-byte Folded Reload
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; RV64-WITHFP-NEXT: addi sp, sp, 16
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; RV64-WITHFP-NEXT: ret
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entry:
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%0 = alloca i8, i32 %size, align 16
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call void @callee_with_args(i8* nonnull %0)
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ret void
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}
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define void @branch_and_tail_call(i1 %a) {
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; RV32-LABEL: branch_and_tail_call:
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; RV32: # %bb.0:
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; RV32-NEXT: addi sp, sp, -16
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; RV32-NEXT: .cfi_def_cfa_offset 16
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; RV32-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
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; RV32-NEXT: .cfi_offset ra, -4
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; RV32-NEXT: andi a0, a0, 1
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; RV32-NEXT: beqz a0, .LBB2_2
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; RV32-NEXT: # %bb.1: # %blue_pill
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; RV32-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
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; RV32-NEXT: addi sp, sp, 16
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; RV32-NEXT: tail callee1@plt
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; RV32-NEXT: .LBB2_2: # %red_pill
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; RV32-NEXT: call callee2@plt
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; RV32-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
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; RV32-NEXT: addi sp, sp, 16
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; RV32-NEXT: ret
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;
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; RV64-LABEL: branch_and_tail_call:
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; RV64: # %bb.0:
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; RV64-NEXT: addi sp, sp, -16
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; RV64-NEXT: .cfi_def_cfa_offset 16
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; RV64-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
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; RV64-NEXT: .cfi_offset ra, -8
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; RV64-NEXT: andi a0, a0, 1
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; RV64-NEXT: beqz a0, .LBB2_2
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; RV64-NEXT: # %bb.1: # %blue_pill
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; RV64-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
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; RV64-NEXT: addi sp, sp, 16
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; RV64-NEXT: tail callee1@plt
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; RV64-NEXT: .LBB2_2: # %red_pill
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; RV64-NEXT: call callee2@plt
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; RV64-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
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; RV64-NEXT: addi sp, sp, 16
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; RV64-NEXT: ret
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;
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; RV32-WITHFP-LABEL: branch_and_tail_call:
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; RV32-WITHFP: # %bb.0:
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; RV32-WITHFP-NEXT: addi sp, sp, -16
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; RV32-WITHFP-NEXT: .cfi_def_cfa_offset 16
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; RV32-WITHFP-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
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; RV32-WITHFP-NEXT: sw s0, 8(sp) # 4-byte Folded Spill
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; RV32-WITHFP-NEXT: .cfi_offset ra, -4
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; RV32-WITHFP-NEXT: .cfi_offset s0, -8
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; RV32-WITHFP-NEXT: addi s0, sp, 16
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; RV32-WITHFP-NEXT: .cfi_def_cfa s0, 0
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; RV32-WITHFP-NEXT: andi a0, a0, 1
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; RV32-WITHFP-NEXT: beqz a0, .LBB2_2
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; RV32-WITHFP-NEXT: # %bb.1: # %blue_pill
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; RV32-WITHFP-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
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; RV32-WITHFP-NEXT: lw s0, 8(sp) # 4-byte Folded Reload
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; RV32-WITHFP-NEXT: addi sp, sp, 16
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; RV32-WITHFP-NEXT: tail callee1@plt
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; RV32-WITHFP-NEXT: .LBB2_2: # %red_pill
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; RV32-WITHFP-NEXT: call callee2@plt
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; RV32-WITHFP-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
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; RV32-WITHFP-NEXT: lw s0, 8(sp) # 4-byte Folded Reload
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; RV32-WITHFP-NEXT: addi sp, sp, 16
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; RV32-WITHFP-NEXT: ret
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;
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; RV64-WITHFP-LABEL: branch_and_tail_call:
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; RV64-WITHFP: # %bb.0:
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; RV64-WITHFP-NEXT: addi sp, sp, -16
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; RV64-WITHFP-NEXT: .cfi_def_cfa_offset 16
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; RV64-WITHFP-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
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; RV64-WITHFP-NEXT: sd s0, 0(sp) # 8-byte Folded Spill
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; RV64-WITHFP-NEXT: .cfi_offset ra, -8
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; RV64-WITHFP-NEXT: .cfi_offset s0, -16
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; RV64-WITHFP-NEXT: addi s0, sp, 16
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; RV64-WITHFP-NEXT: .cfi_def_cfa s0, 0
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; RV64-WITHFP-NEXT: andi a0, a0, 1
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; RV64-WITHFP-NEXT: beqz a0, .LBB2_2
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; RV64-WITHFP-NEXT: # %bb.1: # %blue_pill
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; RV64-WITHFP-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
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; RV64-WITHFP-NEXT: ld s0, 0(sp) # 8-byte Folded Reload
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; RV64-WITHFP-NEXT: addi sp, sp, 16
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; RV64-WITHFP-NEXT: tail callee1@plt
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; RV64-WITHFP-NEXT: .LBB2_2: # %red_pill
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; RV64-WITHFP-NEXT: call callee2@plt
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; RV64-WITHFP-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
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; RV64-WITHFP-NEXT: ld s0, 0(sp) # 8-byte Folded Reload
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; RV64-WITHFP-NEXT: addi sp, sp, 16
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; RV64-WITHFP-NEXT: ret
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br i1 %a, label %blue_pill, label %red_pill
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blue_pill:
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tail call void @callee1()
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ret void
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red_pill:
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call void @callee2()
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ret void
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}
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declare void @callee1()
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declare void @callee2()
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declare void @callee_with_args(i8*)
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