76 lines
2.0 KiB
LLVM
76 lines
2.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=m68k-linux -verify-machineinstrs | FileCheck %s
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declare {i32, i1} @llvm.sadd.with.overflow.i32(i32, i32)
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declare {i32, i1} @llvm.uadd.with.overflow.i32(i32, i32)
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define fastcc i32 @test5(i32 %v1, i32 %v2, i32* %X) nounwind {
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; CHECK-LABEL: test5:
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; CHECK: ; %bb.0: ; %entry
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; CHECK-NEXT: add.l %d1, %d0
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; CHECK-NEXT: bvs .LBB0_2
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; CHECK-NEXT: ; %bb.1: ; %normal
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; CHECK-NEXT: move.l #0, (%a0)
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; CHECK-NEXT: .LBB0_2: ; %overflow
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; CHECK-NEXT: rts
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entry:
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%t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 %v2)
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%sum = extractvalue {i32, i1} %t, 0
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%obit = extractvalue {i32, i1} %t, 1
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br i1 %obit, label %overflow, label %normal
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normal:
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store i32 0, i32* %X
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br label %overflow
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overflow:
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ret i32 %sum
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}
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define fastcc i1 @test6(i32 %v1, i32 %v2, i32* %X) nounwind {
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; CHECK-LABEL: test6:
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; CHECK: ; %bb.0: ; %entry
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; CHECK-NEXT: add.l %d1, %d0
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; CHECK-NEXT: bcs .LBB1_2
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; CHECK-NEXT: ; %bb.1: ; %normal
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; CHECK-NEXT: move.l #0, (%a0)
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; CHECK-NEXT: .LBB1_2: ; %carry
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; CHECK-NEXT: move.b #0, %d0
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; CHECK-NEXT: rts
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entry:
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%t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 %v2)
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%sum = extractvalue {i32, i1} %t, 0
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%obit = extractvalue {i32, i1} %t, 1
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br i1 %obit, label %carry, label %normal
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normal:
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store i32 0, i32* %X
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br label %carry
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carry:
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ret i1 false
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}
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define {i32, i1} @test7(i32 %v1, i32 %v2) nounwind {
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; CHECK-LABEL: test7:
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; CHECK: ; %bb.0:
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; CHECK-NEXT: move.l (4,%sp), %d0
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; CHECK-NEXT: add.l (8,%sp), %d0
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; CHECK-NEXT: scs %d1
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; CHECK-NEXT: rts
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%t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 %v2)
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ret {i32, i1} %t
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}
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define fastcc i1 @test10(i32 %x) nounwind {
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; CHECK-LABEL: test10:
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; CHECK: ; %bb.0: ; %entry
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; CHECK-NEXT: add.l #1, %d0
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; CHECK-NEXT: svs %d0
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; CHECK-NEXT: rts
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entry:
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%t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %x, i32 1)
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%obit = extractvalue {i32, i1} %t, 1
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ret i1 %obit
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}
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