155 lines
4.5 KiB
Text
155 lines
4.5 KiB
Text
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -mtriple=riscv32 -run-pass=regbankselect \
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# RUN: -simplify-mir -verify-machineinstrs %s \
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# RUN: -o - | FileCheck -check-prefix=RV32I %s
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--- |
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define i32 @jt_test(i32 signext %in) {
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entry:
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switch i32 %in, label %default [
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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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i32 5, label %bb5
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i32 6, label %bb6
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]
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bb1: ; preds = %entry
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ret i32 4
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bb2: ; preds = %entry
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ret i32 3
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bb3: ; preds = %entry
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ret i32 2
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bb4: ; preds = %entry
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ret i32 1
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bb5: ; preds = %entry
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ret i32 100
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bb6: ; preds = %entry
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ret i32 200
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default: ; preds = %entry
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ret i32 1000
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}
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...
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---
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name: jt_test
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legalized: true
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tracksRegLiveness: true
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jumpTable:
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kind: block-address
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entries:
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- id: 0
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blocks: [ '%bb.2', '%bb.3', '%bb.4', '%bb.5', '%bb.6', '%bb.7' ]
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body: |
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; RV32I-LABEL: name: jt_test
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; RV32I: bb.0.entry:
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; RV32I-NEXT: liveins: $x10
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; RV32I-NEXT: {{ $}}
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; RV32I-NEXT: [[COPY:%[0-9]+]]:gprb(s32) = COPY $x10
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; RV32I-NEXT: [[C:%[0-9]+]]:gprb(s32) = G_CONSTANT i32 5
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; RV32I-NEXT: [[C1:%[0-9]+]]:gprb(s32) = G_CONSTANT i32 200
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; RV32I-NEXT: [[C2:%[0-9]+]]:gprb(s32) = G_CONSTANT i32 100
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; RV32I-NEXT: [[C3:%[0-9]+]]:gprb(s32) = G_CONSTANT i32 1
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; RV32I-NEXT: [[C4:%[0-9]+]]:gprb(s32) = G_CONSTANT i32 2
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; RV32I-NEXT: [[C5:%[0-9]+]]:gprb(s32) = G_CONSTANT i32 3
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; RV32I-NEXT: [[C6:%[0-9]+]]:gprb(s32) = G_CONSTANT i32 4
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; RV32I-NEXT: [[C7:%[0-9]+]]:gprb(s32) = G_CONSTANT i32 1000
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; RV32I-NEXT: [[C8:%[0-9]+]]:gprb(s32) = G_CONSTANT i32 1
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; RV32I-NEXT: [[SUB:%[0-9]+]]:gprb(s32) = G_SUB [[COPY]], [[C8]]
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; RV32I-NEXT: [[ICMP:%[0-9]+]]:gprb(s32) = G_ICMP intpred(ugt), [[SUB]](s32), [[C]]
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; RV32I-NEXT: G_BRCOND [[ICMP]](s32), %bb.8
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; RV32I-NEXT: {{ $}}
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; RV32I-NEXT: bb.1.entry:
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; RV32I-NEXT: successors: %bb.2, %bb.3, %bb.4, %bb.5, %bb.6, %bb.7
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; RV32I-NEXT: {{ $}}
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; RV32I-NEXT: [[JUMP_TABLE:%[0-9]+]]:gprb(p0) = G_JUMP_TABLE %jump-table.0
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; RV32I-NEXT: G_BRJT [[JUMP_TABLE]](p0), %jump-table.0, [[SUB]](s32)
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; RV32I-NEXT: {{ $}}
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; RV32I-NEXT: bb.2.bb1:
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; RV32I-NEXT: $x10 = COPY [[C6]](s32)
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; RV32I-NEXT: PseudoRET implicit $x10
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; RV32I-NEXT: {{ $}}
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; RV32I-NEXT: bb.3.bb2:
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; RV32I-NEXT: $x10 = COPY [[C5]](s32)
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; RV32I-NEXT: PseudoRET implicit $x10
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; RV32I-NEXT: {{ $}}
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; RV32I-NEXT: bb.4.bb3:
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; RV32I-NEXT: $x10 = COPY [[C4]](s32)
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; RV32I-NEXT: PseudoRET implicit $x10
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; RV32I-NEXT: {{ $}}
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; RV32I-NEXT: bb.5.bb4:
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; RV32I-NEXT: $x10 = COPY [[C3]](s32)
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; RV32I-NEXT: PseudoRET implicit $x10
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; RV32I-NEXT: {{ $}}
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; RV32I-NEXT: bb.6.bb5:
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; RV32I-NEXT: $x10 = COPY [[C2]](s32)
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; RV32I-NEXT: PseudoRET implicit $x10
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; RV32I-NEXT: {{ $}}
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; RV32I-NEXT: bb.7.bb6:
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; RV32I-NEXT: $x10 = COPY [[C1]](s32)
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; RV32I-NEXT: PseudoRET implicit $x10
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; RV32I-NEXT: {{ $}}
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; RV32I-NEXT: bb.8.default:
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; RV32I-NEXT: $x10 = COPY [[C7]](s32)
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; RV32I-NEXT: PseudoRET implicit $x10
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bb.1.entry:
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successors: %bb.8, %bb.9
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liveins: $x10
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%0:_(s32) = COPY $x10
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%4:_(s32) = G_CONSTANT i32 5
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%8:_(s32) = G_CONSTANT i32 200
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%9:_(s32) = G_CONSTANT i32 100
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%10:_(s32) = G_CONSTANT i32 1
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%11:_(s32) = G_CONSTANT i32 2
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%12:_(s32) = G_CONSTANT i32 3
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%13:_(s32) = G_CONSTANT i32 4
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%14:_(s32) = G_CONSTANT i32 1000
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%1:_(s32) = G_CONSTANT i32 1
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%2:_(s32) = G_SUB %0, %1
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%16:_(s32) = G_ICMP intpred(ugt), %2(s32), %4
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G_BRCOND %16(s32), %bb.8
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bb.9.entry:
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successors: %bb.2, %bb.3, %bb.4, %bb.5, %bb.6, %bb.7
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%7:_(p0) = G_JUMP_TABLE %jump-table.0
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G_BRJT %7(p0), %jump-table.0, %2(s32)
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bb.2.bb1:
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$x10 = COPY %13(s32)
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PseudoRET implicit $x10
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bb.3.bb2:
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$x10 = COPY %12(s32)
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PseudoRET implicit $x10
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bb.4.bb3:
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$x10 = COPY %11(s32)
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PseudoRET implicit $x10
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bb.5.bb4:
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$x10 = COPY %10(s32)
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PseudoRET implicit $x10
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bb.6.bb5:
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$x10 = COPY %9(s32)
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PseudoRET implicit $x10
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bb.7.bb6:
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$x10 = COPY %8(s32)
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PseudoRET implicit $x10
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bb.8.default:
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$x10 = COPY %14(s32)
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PseudoRET implicit $x10
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...
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