66 lines
1.4 KiB
LLVM
66 lines
1.4 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
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; RUN: llc < %s -mtriple=x86_64 -o - | FileCheck %s
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define void @foo(i32 %i) nounwind {
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; CHECK-LABEL: foo:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: cmpl $7, %edi
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; CHECK-NEXT: je .LBB0_3
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; CHECK-NEXT: # %bb.1: # %entry
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; CHECK-NEXT: cmpl $5, %edi
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; CHECK-NEXT: jne .LBB0_4
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; CHECK-NEXT: # %bb.2: # %if.then
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; CHECK-NEXT: callq bar
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; CHECK-NEXT: popq %rax
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; CHECK-NEXT: jmp bar # TAILCALL
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; CHECK-NEXT: .LBB0_3: # %if.then2
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; CHECK-NEXT: callq bar
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; CHECK-NEXT: .LBB0_4: # %if.end3
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; CHECK-NEXT: popq %rax
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; CHECK-NEXT: jmp bar # TAILCALL
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entry:
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switch i32 %i, label %if.end3 [
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i32 5, label %if.then
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i32 7, label %if.then2
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]
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if.then:
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tail call void @bar() #0
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br label %if.end3
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if.then2:
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tail call void @bar() #0
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br label %if.end3
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if.end3:
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tail call void @bar() #0
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ret void
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}
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define void @foo_tail(i1 %i) nounwind {
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; CHECK-LABEL: foo_tail:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: testb $1, %dil
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; CHECK-NEXT: je bar # TAILCALL
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; CHECK-NEXT: # %bb.1: # %if.then
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; CHECK-NEXT: jmp bar # TAILCALL
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entry:
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br i1 %i, label %if.then, label %if.else
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if.then:
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tail call void @bar() #0
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br label %if.end
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if.else:
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tail call void @bar() #0
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br label %if.end
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if.end:
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ret void
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}
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declare dso_local void @bar()
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attributes #0 = { nomerge }
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