irtranslator-switch-bittest.ll
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; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
; RUN: llc -mtriple aarch64 -aarch64-enable-atomic-cfg-tidy=0 -stop-after=irtranslator -global-isel -verify-machineinstrs %s -o - 2>&1 | FileCheck %s
define i32 @test_bittest(i16 %p) {
; CHECK-LABEL: name: test_bittest
; CHECK: bb.1 (%ir-block.0):
; CHECK: successors: %bb.4(0x1b6db6db), %bb.5(0x64924925)
; CHECK: liveins: $w0
; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[COPY]](s32)
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 114
; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 42
; CHECK: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[TRUNC]](s16)
; CHECK: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[ZEXT]], [[C3]]
; CHECK: [[ZEXT1:%[0-9]+]]:_(s64) = G_ZEXT [[SUB]](s32)
; CHECK: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 59
; CHECK: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ugt), [[SUB]](s32), [[C4]]
; CHECK: G_BRCOND [[ICMP]](s1), %bb.4
; CHECK: G_BR %bb.5
; CHECK: bb.4 (%ir-block.0):
; CHECK: successors: %bb.3(0x40000000), %bb.2(0x40000000)
; CHECK: [[ICMP1:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[ZEXT]](s32), [[C]]
; CHECK: G_BRCOND [[ICMP1]](s1), %bb.3
; CHECK: G_BR %bb.2
; CHECK: bb.5 (%ir-block.0):
; CHECK: successors: %bb.3(0x745d1746), %bb.4(0x0ba2e8ba)
; CHECK: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
; CHECK: [[SHL:%[0-9]+]]:_(s64) = G_SHL [[C5]], [[ZEXT1]](s64)
; CHECK: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 866239240827043840
; CHECK: [[AND:%[0-9]+]]:_(s64) = G_AND [[SHL]], [[C6]]
; CHECK: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
; CHECK: [[ICMP2:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[AND]](s64), [[C7]]
; CHECK: G_BRCOND [[ICMP2]](s1), %bb.3
; CHECK: G_BR %bb.4
; CHECK: bb.2.sw.epilog:
; CHECK: $w0 = COPY [[C2]](s32)
; CHECK: RET_ReallyLR implicit $w0
; CHECK: bb.3.cb1:
; CHECK: $w0 = COPY [[C1]](s32)
; CHECK: RET_ReallyLR implicit $w0
switch i16 %p, label %sw.epilog [
i16 58, label %cb1
i16 59, label %cb1
i16 47, label %cb1
i16 48, label %cb1
i16 50, label %cb1
i16 114, label %cb1
]
sw.epilog:
ret i32 0
cb1:
ret i32 42
}
declare void @callee()
define void @test_bittest_2_bt(i32 %p) {
; CHECK-LABEL: name: test_bittest_2_bt
; CHECK: bb.1.entry:
; CHECK: successors: %bb.5(0x345d1746), %bb.6(0x4ba2e8ba)
; CHECK: liveins: $w0
; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 176
; CHECK: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[COPY]], [[C]]
; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 15
; CHECK: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ugt), [[SUB]](s32), [[C1]]
; CHECK: G_BRCOND [[ICMP]](s1), %bb.5
; CHECK: G_BR %bb.6
; CHECK: bb.5.entry:
; CHECK: successors: %bb.4(0x0ccccccd), %bb.7(0x73333333)
; CHECK: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK: [[SUB1:%[0-9]+]]:_(s32) = G_SUB [[COPY]], [[C2]]
; CHECK: [[ZEXT:%[0-9]+]]:_(s64) = G_ZEXT [[SUB1]](s32)
; CHECK: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 38
; CHECK: [[ICMP1:%[0-9]+]]:_(s1) = G_ICMP intpred(ugt), [[SUB1]](s32), [[C3]]
; CHECK: G_BRCOND [[ICMP1]](s1), %bb.4
; CHECK: G_BR %bb.7
; CHECK: bb.6.entry:
; CHECK: successors: %bb.2(0x76276276), %bb.5(0x09d89d8a)
; CHECK: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
; CHECK: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[C4]], [[SUB]](s32)
; CHECK: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 57351
; CHECK: [[AND:%[0-9]+]]:_(s32) = G_AND [[SHL]], [[C5]]
; CHECK: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK: [[ICMP2:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[AND]](s32), [[C6]]
; CHECK: G_BRCOND [[ICMP2]](s1), %bb.2
; CHECK: G_BR %bb.5
; CHECK: bb.7.entry:
; CHECK: successors: %bb.3(0x71c71c72), %bb.4(0x0e38e38e)
; CHECK: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
; CHECK: [[SHL1:%[0-9]+]]:_(s64) = G_SHL [[C7]], [[ZEXT]](s64)
; CHECK: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 365072220160
; CHECK: [[AND1:%[0-9]+]]:_(s64) = G_AND [[SHL1]], [[C8]]
; CHECK: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
; CHECK: [[ICMP3:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[AND1]](s64), [[C9]]
; CHECK: G_BRCOND [[ICMP3]](s1), %bb.3
; CHECK: G_BR %bb.4
; CHECK: bb.2.sw.bb37:
; CHECK: TCRETURNdi @callee, 0, csr_aarch64_aapcs, implicit $sp
; CHECK: bb.3.sw.bb55:
; CHECK: TCRETURNdi @callee, 0, csr_aarch64_aapcs, implicit $sp
; CHECK: bb.4.sw.default:
; CHECK: RET_ReallyLR
entry:
switch i32 %p, label %sw.default [
i32 32, label %sw.bb55
i32 34, label %sw.bb55
i32 36, label %sw.bb55
i32 191, label %sw.bb37
i32 190, label %sw.bb37
i32 189, label %sw.bb37
i32 178, label %sw.bb37
i32 177, label %sw.bb37
i32 176, label %sw.bb37
i32 38, label %sw.bb55
]
sw.bb37: ; preds = %entry, %entry, %entry, %entry, %entry, %entry
tail call void @callee()
ret void
sw.bb55: ; preds = %entry, %entry, %entry, %entry
tail call void @callee()
ret void
sw.default: ; preds = %entry
ret void
}
define i32 @test_bittest_single_bt_only_with_fallthrough(i16 %p) {
; CHECK-LABEL: name: test_bittest_single_bt_only_with_fallthrough
; CHECK: bb.1 (%ir-block.0):
; CHECK: successors: %bb.2(0x0aaaaaab), %bb.4(0x75555555)
; CHECK: liveins: $w0
; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[COPY]](s32)
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 42
; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[TRUNC]](s16)
; CHECK: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[ZEXT]], [[C2]]
; CHECK: [[ZEXT1:%[0-9]+]]:_(s64) = G_ZEXT [[SUB]](s32)
; CHECK: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 59
; CHECK: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ugt), [[SUB]](s32), [[C3]]
; CHECK: G_BRCOND [[ICMP]](s1), %bb.2
; CHECK: bb.4 (%ir-block.0):
; CHECK: successors: %bb.3(0x745d1746), %bb.2(0x0ba2e8ba)
; CHECK: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
; CHECK: [[SHL:%[0-9]+]]:_(s64) = G_SHL [[C4]], [[ZEXT1]](s64)
; CHECK: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 866239240827043840
; CHECK: [[AND:%[0-9]+]]:_(s64) = G_AND [[SHL]], [[C5]]
; CHECK: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
; CHECK: [[ICMP1:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[AND]](s64), [[C6]]
; CHECK: G_BRCOND [[ICMP1]](s1), %bb.3
; CHECK: bb.2.sw.epilog:
; CHECK: $w0 = COPY [[C1]](s32)
; CHECK: RET_ReallyLR implicit $w0
; CHECK: bb.3.cb1:
; CHECK: $w0 = COPY [[C]](s32)
; CHECK: RET_ReallyLR implicit $w0
switch i16 %p, label %sw.epilog [
i16 58, label %cb1
i16 59, label %cb1
i16 47, label %cb1
i16 48, label %cb1
i16 50, label %cb1
]
sw.epilog:
ret i32 0
cb1:
ret i32 42
}