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Legalize trapz/trapnz to a BB-like format.

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This commit is contained in:
Nicolas B. Pierron
2019-07-09 16:02:49 +02:00
committed by GitHub
parent f11fc34066
commit 1963c223b1
5 changed files with 87 additions and 41 deletions
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33
cranelift/filetests/filetests/isa/x86/legalize-tables.clif
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@@ -2,6 +2,7 @@ test legalizer
target x86_64
; Test legalization for various forms of table addresses.
; regex: EBB=ebb\d+
function %table_addrs(i32, i64, i64 vmctx) {
gv4 = vmctx
@@ -23,9 +24,11 @@ ebb0(v0: i32, v1: i64, v3: i64):
v4 = table_addr.i64 table0, v0, +0
; check: v8 = load.i32 notrap aligned v3+88
; check: v9 = icmp uge v0, v8
; check: brz v9, ebb1
; check: trap table_oob
; check: ebb1:
; check: brz v9, $(resume_1=$EBB)
; nextln: jump $(trap_1=$EBB)
; check: $trap_1:
; nextln: trap table_oob
; check: $resume_1:
; check: v10 = uextend.i64 v0
; check: v11 = iadd_imm.i64 v3, 72
; check: v4 = iadd v11, v10
@@ -33,9 +36,11 @@ ebb0(v0: i32, v1: i64, v3: i64):
v5 = table_addr.i64 table1, v0, +0
; check: v12 = load.i32 notrap aligned v3+88
; check: v13 = icmp.i32 uge v0, v12
; check: brz v13, ebb2
; check: trap table_oob
; check: ebb2:
; check: brz v13, $(resume_2=$EBB)
; nextln: jump $(trap_2=$EBB)
; check: $trap_2:
; nextln: trap table_oob
; check: $resume_2:
; check: v14 = uextend.i64 v0
; check: v15 = iadd_imm.i64 v3, 72
; check: v16 = ishl_imm v14, 4
@@ -44,18 +49,22 @@ ebb0(v0: i32, v1: i64, v3: i64):
v6 = table_addr.i64 table2, v1, +0
; check: v17 = iadd_imm.i64 v3, 80
; check: v18 = icmp.i64 uge v1, v17
; check: brz v18, ebb3
; check: trap table_oob
; check: ebb3:
; check: brz v18, $(resume_3=$EBB)
; nextln: jump $(trap_3=$EBB)
; check: $trap_3:
; nextln: trap table_oob
; check: $resume_3:
; check: v19 = iadd_imm.i64 v3, 72
; check: v6 = iadd v19, v1
v7 = table_addr.i64 table3, v1, +0
; check: v20 = iadd_imm.i64 v3, 80
; check: v21 = icmp.i64 uge v1, v20
; check: brz v21, ebb4
; check: trap table_oob
; check: ebb4:
; check: brz v21, $(resume_4=$EBB)
; nextln: jump $(trap_4=$EBB)
; check: $trap_4:
; nextln: trap table_oob
; check: $resume_4:
; check: v22 = iadd_imm.i64 v3, 72
; check: v23 = ishl_imm.i64 v1, 4
; check: v7 = iadd v22, v23