340 lines
12 KiB
LLVM
340 lines
12 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=riscv32 -code-model=small -verify-machineinstrs < %s \
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; RUN: | FileCheck %s -check-prefix=RV32I-SMALL
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; RUN: llc -mtriple=riscv32 -code-model=medium -verify-machineinstrs < %s \
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; RUN: | FileCheck %s -check-prefix=RV32I-MEDIUM
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; RUN: llc -mtriple=riscv64 -code-model=small -verify-machineinstrs < %s \
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; RUN: | FileCheck %s -check-prefix=RV64I-SMALL
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; RUN: llc -mtriple=riscv64 -code-model=medium -verify-machineinstrs < %s \
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; RUN: | FileCheck %s -check-prefix=RV64I-MEDIUM
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define void @below_threshold(i32 %in, i32* %out) nounwind {
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; RV32I-SMALL-LABEL: below_threshold:
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; RV32I-SMALL: # %bb.0: # %entry
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; RV32I-SMALL-NEXT: addi a2, zero, 2
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; RV32I-SMALL-NEXT: blt a2, a0, .LBB0_4
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; RV32I-SMALL-NEXT: # %bb.1: # %entry
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; RV32I-SMALL-NEXT: addi a2, zero, 1
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; RV32I-SMALL-NEXT: beq a0, a2, .LBB0_7
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; RV32I-SMALL-NEXT: # %bb.2: # %entry
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; RV32I-SMALL-NEXT: addi a2, zero, 2
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; RV32I-SMALL-NEXT: bne a0, a2, .LBB0_10
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; RV32I-SMALL-NEXT: # %bb.3: # %bb2
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; RV32I-SMALL-NEXT: addi a0, zero, 3
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; RV32I-SMALL-NEXT: j .LBB0_9
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; RV32I-SMALL-NEXT: .LBB0_4: # %entry
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; RV32I-SMALL-NEXT: addi a2, zero, 3
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; RV32I-SMALL-NEXT: beq a0, a2, .LBB0_8
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; RV32I-SMALL-NEXT: # %bb.5: # %entry
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; RV32I-SMALL-NEXT: addi a2, zero, 4
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; RV32I-SMALL-NEXT: bne a0, a2, .LBB0_10
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; RV32I-SMALL-NEXT: # %bb.6: # %bb4
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; RV32I-SMALL-NEXT: addi a0, zero, 1
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; RV32I-SMALL-NEXT: j .LBB0_9
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; RV32I-SMALL-NEXT: .LBB0_7: # %bb1
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; RV32I-SMALL-NEXT: addi a0, zero, 4
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; RV32I-SMALL-NEXT: j .LBB0_9
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; RV32I-SMALL-NEXT: .LBB0_8: # %bb3
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; RV32I-SMALL-NEXT: addi a0, zero, 2
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; RV32I-SMALL-NEXT: .LBB0_9: # %exit
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; RV32I-SMALL-NEXT: sw a0, 0(a1)
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; RV32I-SMALL-NEXT: .LBB0_10: # %exit
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; RV32I-SMALL-NEXT: ret
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;
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; RV32I-MEDIUM-LABEL: below_threshold:
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; RV32I-MEDIUM: # %bb.0: # %entry
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; RV32I-MEDIUM-NEXT: addi a2, zero, 2
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; RV32I-MEDIUM-NEXT: blt a2, a0, .LBB0_4
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; RV32I-MEDIUM-NEXT: # %bb.1: # %entry
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; RV32I-MEDIUM-NEXT: addi a2, zero, 1
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; RV32I-MEDIUM-NEXT: beq a0, a2, .LBB0_7
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; RV32I-MEDIUM-NEXT: # %bb.2: # %entry
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; RV32I-MEDIUM-NEXT: addi a2, zero, 2
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; RV32I-MEDIUM-NEXT: bne a0, a2, .LBB0_10
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; RV32I-MEDIUM-NEXT: # %bb.3: # %bb2
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; RV32I-MEDIUM-NEXT: addi a0, zero, 3
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; RV32I-MEDIUM-NEXT: j .LBB0_9
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; RV32I-MEDIUM-NEXT: .LBB0_4: # %entry
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; RV32I-MEDIUM-NEXT: addi a2, zero, 3
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; RV32I-MEDIUM-NEXT: beq a0, a2, .LBB0_8
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; RV32I-MEDIUM-NEXT: # %bb.5: # %entry
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; RV32I-MEDIUM-NEXT: addi a2, zero, 4
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; RV32I-MEDIUM-NEXT: bne a0, a2, .LBB0_10
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; RV32I-MEDIUM-NEXT: # %bb.6: # %bb4
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; RV32I-MEDIUM-NEXT: addi a0, zero, 1
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; RV32I-MEDIUM-NEXT: j .LBB0_9
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; RV32I-MEDIUM-NEXT: .LBB0_7: # %bb1
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; RV32I-MEDIUM-NEXT: addi a0, zero, 4
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; RV32I-MEDIUM-NEXT: j .LBB0_9
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; RV32I-MEDIUM-NEXT: .LBB0_8: # %bb3
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; RV32I-MEDIUM-NEXT: addi a0, zero, 2
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; RV32I-MEDIUM-NEXT: .LBB0_9: # %exit
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; RV32I-MEDIUM-NEXT: sw a0, 0(a1)
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; RV32I-MEDIUM-NEXT: .LBB0_10: # %exit
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; RV32I-MEDIUM-NEXT: ret
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;
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; RV64I-SMALL-LABEL: below_threshold:
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; RV64I-SMALL: # %bb.0: # %entry
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; RV64I-SMALL-NEXT: slli a0, a0, 32
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; RV64I-SMALL-NEXT: srli a0, a0, 32
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; RV64I-SMALL-NEXT: addi a2, zero, 2
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; RV64I-SMALL-NEXT: blt a2, a0, .LBB0_4
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; RV64I-SMALL-NEXT: # %bb.1: # %entry
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; RV64I-SMALL-NEXT: addi a2, zero, 1
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; RV64I-SMALL-NEXT: beq a0, a2, .LBB0_7
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; RV64I-SMALL-NEXT: # %bb.2: # %entry
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; RV64I-SMALL-NEXT: addi a2, zero, 2
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; RV64I-SMALL-NEXT: bne a0, a2, .LBB0_10
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; RV64I-SMALL-NEXT: # %bb.3: # %bb2
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; RV64I-SMALL-NEXT: addi a0, zero, 3
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; RV64I-SMALL-NEXT: j .LBB0_9
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; RV64I-SMALL-NEXT: .LBB0_4: # %entry
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; RV64I-SMALL-NEXT: addi a2, zero, 3
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; RV64I-SMALL-NEXT: beq a0, a2, .LBB0_8
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; RV64I-SMALL-NEXT: # %bb.5: # %entry
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; RV64I-SMALL-NEXT: addi a2, zero, 4
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; RV64I-SMALL-NEXT: bne a0, a2, .LBB0_10
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; RV64I-SMALL-NEXT: # %bb.6: # %bb4
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; RV64I-SMALL-NEXT: addi a0, zero, 1
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; RV64I-SMALL-NEXT: j .LBB0_9
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; RV64I-SMALL-NEXT: .LBB0_7: # %bb1
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; RV64I-SMALL-NEXT: addi a0, zero, 4
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; RV64I-SMALL-NEXT: j .LBB0_9
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; RV64I-SMALL-NEXT: .LBB0_8: # %bb3
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; RV64I-SMALL-NEXT: addi a0, zero, 2
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; RV64I-SMALL-NEXT: .LBB0_9: # %exit
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; RV64I-SMALL-NEXT: sw a0, 0(a1)
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; RV64I-SMALL-NEXT: .LBB0_10: # %exit
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; RV64I-SMALL-NEXT: ret
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;
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; RV64I-MEDIUM-LABEL: below_threshold:
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; RV64I-MEDIUM: # %bb.0: # %entry
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; RV64I-MEDIUM-NEXT: slli a0, a0, 32
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; RV64I-MEDIUM-NEXT: srli a0, a0, 32
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; RV64I-MEDIUM-NEXT: addi a2, zero, 2
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; RV64I-MEDIUM-NEXT: blt a2, a0, .LBB0_4
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; RV64I-MEDIUM-NEXT: # %bb.1: # %entry
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; RV64I-MEDIUM-NEXT: addi a2, zero, 1
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; RV64I-MEDIUM-NEXT: beq a0, a2, .LBB0_7
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; RV64I-MEDIUM-NEXT: # %bb.2: # %entry
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; RV64I-MEDIUM-NEXT: addi a2, zero, 2
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; RV64I-MEDIUM-NEXT: bne a0, a2, .LBB0_10
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; RV64I-MEDIUM-NEXT: # %bb.3: # %bb2
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; RV64I-MEDIUM-NEXT: addi a0, zero, 3
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; RV64I-MEDIUM-NEXT: j .LBB0_9
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; RV64I-MEDIUM-NEXT: .LBB0_4: # %entry
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; RV64I-MEDIUM-NEXT: addi a2, zero, 3
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; RV64I-MEDIUM-NEXT: beq a0, a2, .LBB0_8
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; RV64I-MEDIUM-NEXT: # %bb.5: # %entry
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; RV64I-MEDIUM-NEXT: addi a2, zero, 4
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; RV64I-MEDIUM-NEXT: bne a0, a2, .LBB0_10
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; RV64I-MEDIUM-NEXT: # %bb.6: # %bb4
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; RV64I-MEDIUM-NEXT: addi a0, zero, 1
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; RV64I-MEDIUM-NEXT: j .LBB0_9
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; RV64I-MEDIUM-NEXT: .LBB0_7: # %bb1
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; RV64I-MEDIUM-NEXT: addi a0, zero, 4
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; RV64I-MEDIUM-NEXT: j .LBB0_9
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; RV64I-MEDIUM-NEXT: .LBB0_8: # %bb3
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; RV64I-MEDIUM-NEXT: addi a0, zero, 2
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; RV64I-MEDIUM-NEXT: .LBB0_9: # %exit
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; RV64I-MEDIUM-NEXT: sw a0, 0(a1)
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; RV64I-MEDIUM-NEXT: .LBB0_10: # %exit
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; RV64I-MEDIUM-NEXT: ret
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entry:
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switch i32 %in, label %exit [
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i32 1, label %bb1
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i32 2, label %bb2
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i32 3, label %bb3
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i32 4, label %bb4
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]
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bb1:
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store i32 4, i32* %out
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br label %exit
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bb2:
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store i32 3, i32* %out
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br label %exit
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bb3:
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store i32 2, i32* %out
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br label %exit
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bb4:
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store i32 1, i32* %out
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br label %exit
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exit:
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ret void
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}
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define void @above_threshold(i32 %in, i32* %out) nounwind {
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; RV32I-SMALL-LABEL: above_threshold:
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; RV32I-SMALL: # %bb.0: # %entry
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; RV32I-SMALL-NEXT: addi a0, a0, -1
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; RV32I-SMALL-NEXT: addi a2, zero, 5
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; RV32I-SMALL-NEXT: bltu a2, a0, .LBB1_9
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; RV32I-SMALL-NEXT: # %bb.1: # %entry
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; RV32I-SMALL-NEXT: slli a0, a0, 2
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; RV32I-SMALL-NEXT: lui a2, %hi(.LJTI1_0)
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; RV32I-SMALL-NEXT: addi a2, a2, %lo(.LJTI1_0)
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; RV32I-SMALL-NEXT: add a0, a0, a2
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; RV32I-SMALL-NEXT: lw a0, 0(a0)
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; RV32I-SMALL-NEXT: jr a0
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; RV32I-SMALL-NEXT: .LBB1_2: # %bb1
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; RV32I-SMALL-NEXT: addi a0, zero, 4
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; RV32I-SMALL-NEXT: j .LBB1_8
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; RV32I-SMALL-NEXT: .LBB1_3: # %bb2
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; RV32I-SMALL-NEXT: addi a0, zero, 3
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; RV32I-SMALL-NEXT: j .LBB1_8
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; RV32I-SMALL-NEXT: .LBB1_4: # %bb3
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; RV32I-SMALL-NEXT: addi a0, zero, 2
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; RV32I-SMALL-NEXT: j .LBB1_8
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; RV32I-SMALL-NEXT: .LBB1_5: # %bb4
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; RV32I-SMALL-NEXT: addi a0, zero, 1
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; RV32I-SMALL-NEXT: j .LBB1_8
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; RV32I-SMALL-NEXT: .LBB1_6: # %bb5
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; RV32I-SMALL-NEXT: addi a0, zero, 100
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; RV32I-SMALL-NEXT: j .LBB1_8
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; RV32I-SMALL-NEXT: .LBB1_7: # %bb6
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; RV32I-SMALL-NEXT: addi a0, zero, 200
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; RV32I-SMALL-NEXT: .LBB1_8: # %exit
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; RV32I-SMALL-NEXT: sw a0, 0(a1)
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; RV32I-SMALL-NEXT: .LBB1_9: # %exit
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; RV32I-SMALL-NEXT: ret
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;
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; RV32I-MEDIUM-LABEL: above_threshold:
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; RV32I-MEDIUM: # %bb.0: # %entry
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; RV32I-MEDIUM-NEXT: addi a0, a0, -1
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; RV32I-MEDIUM-NEXT: addi a2, zero, 5
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; RV32I-MEDIUM-NEXT: bltu a2, a0, .LBB1_9
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; RV32I-MEDIUM-NEXT: # %bb.1: # %entry
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; RV32I-MEDIUM-NEXT: slli a0, a0, 2
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; RV32I-MEDIUM-NEXT: .LBB1_10: # %entry
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; RV32I-MEDIUM-NEXT: # Label of block must be emitted
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; RV32I-MEDIUM-NEXT: auipc a2, %pcrel_hi(.LJTI1_0)
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; RV32I-MEDIUM-NEXT: addi a2, a2, %pcrel_lo(.LBB1_10)
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; RV32I-MEDIUM-NEXT: add a0, a0, a2
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; RV32I-MEDIUM-NEXT: lw a0, 0(a0)
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; RV32I-MEDIUM-NEXT: jr a0
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; RV32I-MEDIUM-NEXT: .LBB1_2: # %bb1
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; RV32I-MEDIUM-NEXT: addi a0, zero, 4
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; RV32I-MEDIUM-NEXT: j .LBB1_8
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; RV32I-MEDIUM-NEXT: .LBB1_3: # %bb2
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; RV32I-MEDIUM-NEXT: addi a0, zero, 3
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; RV32I-MEDIUM-NEXT: j .LBB1_8
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; RV32I-MEDIUM-NEXT: .LBB1_4: # %bb3
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; RV32I-MEDIUM-NEXT: addi a0, zero, 2
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; RV32I-MEDIUM-NEXT: j .LBB1_8
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; RV32I-MEDIUM-NEXT: .LBB1_5: # %bb4
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; RV32I-MEDIUM-NEXT: addi a0, zero, 1
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; RV32I-MEDIUM-NEXT: j .LBB1_8
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; RV32I-MEDIUM-NEXT: .LBB1_6: # %bb5
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; RV32I-MEDIUM-NEXT: addi a0, zero, 100
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; RV32I-MEDIUM-NEXT: j .LBB1_8
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; RV32I-MEDIUM-NEXT: .LBB1_7: # %bb6
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; RV32I-MEDIUM-NEXT: addi a0, zero, 200
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; RV32I-MEDIUM-NEXT: .LBB1_8: # %exit
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; RV32I-MEDIUM-NEXT: sw a0, 0(a1)
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; RV32I-MEDIUM-NEXT: .LBB1_9: # %exit
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; RV32I-MEDIUM-NEXT: ret
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;
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; RV64I-SMALL-LABEL: above_threshold:
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; RV64I-SMALL: # %bb.0: # %entry
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; RV64I-SMALL-NEXT: slli a0, a0, 32
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; RV64I-SMALL-NEXT: srli a0, a0, 32
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; RV64I-SMALL-NEXT: addi a0, a0, -1
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; RV64I-SMALL-NEXT: addi a2, zero, 5
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; RV64I-SMALL-NEXT: bltu a2, a0, .LBB1_9
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; RV64I-SMALL-NEXT: # %bb.1: # %entry
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; RV64I-SMALL-NEXT: slli a0, a0, 3
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; RV64I-SMALL-NEXT: lui a2, %hi(.LJTI1_0)
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; RV64I-SMALL-NEXT: addi a2, a2, %lo(.LJTI1_0)
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; RV64I-SMALL-NEXT: add a0, a0, a2
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; RV64I-SMALL-NEXT: ld a0, 0(a0)
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; RV64I-SMALL-NEXT: jr a0
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; RV64I-SMALL-NEXT: .LBB1_2: # %bb1
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; RV64I-SMALL-NEXT: addi a0, zero, 4
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; RV64I-SMALL-NEXT: j .LBB1_8
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; RV64I-SMALL-NEXT: .LBB1_3: # %bb2
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; RV64I-SMALL-NEXT: addi a0, zero, 3
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; RV64I-SMALL-NEXT: j .LBB1_8
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; RV64I-SMALL-NEXT: .LBB1_4: # %bb3
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; RV64I-SMALL-NEXT: addi a0, zero, 2
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; RV64I-SMALL-NEXT: j .LBB1_8
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; RV64I-SMALL-NEXT: .LBB1_5: # %bb4
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; RV64I-SMALL-NEXT: addi a0, zero, 1
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; RV64I-SMALL-NEXT: j .LBB1_8
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; RV64I-SMALL-NEXT: .LBB1_6: # %bb5
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; RV64I-SMALL-NEXT: addi a0, zero, 100
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; RV64I-SMALL-NEXT: j .LBB1_8
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; RV64I-SMALL-NEXT: .LBB1_7: # %bb6
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; RV64I-SMALL-NEXT: addi a0, zero, 200
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; RV64I-SMALL-NEXT: .LBB1_8: # %exit
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; RV64I-SMALL-NEXT: sw a0, 0(a1)
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; RV64I-SMALL-NEXT: .LBB1_9: # %exit
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; RV64I-SMALL-NEXT: ret
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;
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; RV64I-MEDIUM-LABEL: above_threshold:
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; RV64I-MEDIUM: # %bb.0: # %entry
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; RV64I-MEDIUM-NEXT: slli a0, a0, 32
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; RV64I-MEDIUM-NEXT: srli a0, a0, 32
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; RV64I-MEDIUM-NEXT: addi a0, a0, -1
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; RV64I-MEDIUM-NEXT: addi a2, zero, 5
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; RV64I-MEDIUM-NEXT: bltu a2, a0, .LBB1_9
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; RV64I-MEDIUM-NEXT: # %bb.1: # %entry
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; RV64I-MEDIUM-NEXT: slli a0, a0, 3
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; RV64I-MEDIUM-NEXT: .LBB1_10: # %entry
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; RV64I-MEDIUM-NEXT: # Label of block must be emitted
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; RV64I-MEDIUM-NEXT: auipc a2, %pcrel_hi(.LJTI1_0)
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; RV64I-MEDIUM-NEXT: addi a2, a2, %pcrel_lo(.LBB1_10)
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; RV64I-MEDIUM-NEXT: add a0, a0, a2
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; RV64I-MEDIUM-NEXT: ld a0, 0(a0)
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; RV64I-MEDIUM-NEXT: jr a0
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; RV64I-MEDIUM-NEXT: .LBB1_2: # %bb1
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; RV64I-MEDIUM-NEXT: addi a0, zero, 4
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; RV64I-MEDIUM-NEXT: j .LBB1_8
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; RV64I-MEDIUM-NEXT: .LBB1_3: # %bb2
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; RV64I-MEDIUM-NEXT: addi a0, zero, 3
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; RV64I-MEDIUM-NEXT: j .LBB1_8
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; RV64I-MEDIUM-NEXT: .LBB1_4: # %bb3
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; RV64I-MEDIUM-NEXT: addi a0, zero, 2
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; RV64I-MEDIUM-NEXT: j .LBB1_8
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; RV64I-MEDIUM-NEXT: .LBB1_5: # %bb4
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; RV64I-MEDIUM-NEXT: addi a0, zero, 1
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; RV64I-MEDIUM-NEXT: j .LBB1_8
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; RV64I-MEDIUM-NEXT: .LBB1_6: # %bb5
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; RV64I-MEDIUM-NEXT: addi a0, zero, 100
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; RV64I-MEDIUM-NEXT: j .LBB1_8
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; RV64I-MEDIUM-NEXT: .LBB1_7: # %bb6
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; RV64I-MEDIUM-NEXT: addi a0, zero, 200
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; RV64I-MEDIUM-NEXT: .LBB1_8: # %exit
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; RV64I-MEDIUM-NEXT: sw a0, 0(a1)
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; RV64I-MEDIUM-NEXT: .LBB1_9: # %exit
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; RV64I-MEDIUM-NEXT: ret
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entry:
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switch i32 %in, label %exit [
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i32 1, label %bb1
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i32 2, label %bb2
|
|
i32 3, label %bb3
|
|
i32 4, label %bb4
|
|
i32 5, label %bb5
|
|
i32 6, label %bb6
|
|
]
|
|
bb1:
|
|
store i32 4, i32* %out
|
|
br label %exit
|
|
bb2:
|
|
store i32 3, i32* %out
|
|
br label %exit
|
|
bb3:
|
|
store i32 2, i32* %out
|
|
br label %exit
|
|
bb4:
|
|
store i32 1, i32* %out
|
|
br label %exit
|
|
bb5:
|
|
store i32 100, i32* %out
|
|
br label %exit
|
|
bb6:
|
|
store i32 200, i32* %out
|
|
br label %exit
|
|
exit:
|
|
ret void
|
|
}
|