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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
; RUN: llc < %s -mtriple=x86_64 -o - | FileCheck %s
define void @foo(i32 %i) nounwind {
; CHECK-LABEL: foo:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: pushq %rax
; CHECK-NEXT: cmpl $7, %edi
; CHECK-NEXT: je .LBB0_3
; CHECK-NEXT: # %bb.1: # %entry
; CHECK-NEXT: cmpl $5, %edi
; CHECK-NEXT: jne .LBB0_4
; CHECK-NEXT: # %bb.2: # %if.then
; CHECK-NEXT: callq bar
; CHECK-NEXT: popq %rax
; CHECK-NEXT: jmp bar # TAILCALL
; CHECK-NEXT: .LBB0_3: # %if.then2
; CHECK-NEXT: callq bar
; CHECK-NEXT: .LBB0_4: # %if.end3
; CHECK-NEXT: popq %rax
; CHECK-NEXT: jmp bar # TAILCALL
entry:
switch i32 %i, label %if.end3 [
i32 5, label %if.then
i32 7, label %if.then2
]
if.then:
tail call void @bar() #0
br label %if.end3
if.then2:
tail call void @bar() #0
br label %if.end3
if.end3:
tail call void @bar() #0
ret void
}
define void @foo_tail(i1 %i) nounwind {
; CHECK-LABEL: foo_tail:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: testb $1, %dil
; CHECK-NEXT: je bar # TAILCALL
; CHECK-NEXT: # %bb.1: # %if.then
; CHECK-NEXT: jmp bar # TAILCALL
entry:
br i1 %i, label %if.then, label %if.else
if.then:
tail call void @bar() #0
br label %if.end
if.else:
tail call void @bar() #0
br label %if.end
if.end:
ret void
}
declare dso_local void @bar()
define void @nomerge_trap(i32 %i) {
; CHECK-LABEL: nomerge_trap:
; CHECK: # %bb.0: # %entry
; CHECK: # %bb.1: # %entry
; CHECK: # %bb.2: # %if.then
; CHECK-NEXT: ud2
; CHECK-NEXT: LBB{{.*}}: # %if.then2
; CHECK-NEXT: ud2
; CHECK-NEXT: .LBB{{.*}}: # %if.end3
; CHECK-NEXT: ud2
entry:
switch i32 %i, label %if.end3 [
i32 5, label %if.then
i32 7, label %if.then2
]
if.then:
tail call void @llvm.trap() #0
unreachable
if.then2:
tail call void @llvm.trap() #0
unreachable
if.end3:
tail call void @llvm.trap() #0
unreachable
}
declare dso_local void @llvm.trap()
define void @nomerge_debugtrap(i32 %i) {
; CHECK-LABEL: nomerge_debugtrap:
; CHECK: # %bb.0: # %entry
; CHECK: # %bb.1: # %entry
; CHECK: # %bb.2: # %if.then
; CHECK-NEXT: int3
; CHECK-NEXT: LBB{{.*}}: # %if.then2
; CHECK-NEXT: int3
; CHECK-NEXT: .LBB{{.*}}: # %if.end3
; CHECK-NEXT: int3
entry:
switch i32 %i, label %if.end3 [
i32 5, label %if.then
i32 7, label %if.then2
]
if.then:
tail call void @llvm.debugtrap() #0
unreachable
if.then2:
tail call void @llvm.debugtrap() #0
unreachable
if.end3:
tail call void @llvm.debugtrap() #0
unreachable
}
define void @nomerge_named_debugtrap(i32 %i) {
; CHECK-LABEL: nomerge_named_debugtrap:
; CHECK: # %bb.0: # %entry
; CHECK: # %bb.1: # %entry
; CHECK: # %bb.2: # %if.then
; CHECK-NEXT: callq trap_func@PLT
; CHECK-NEXT: LBB{{.*}}: # %if.then2
; CHECK-NEXT: callq trap_func@PLT
; CHECK-NEXT: .LBB{{.*}}: # %if.end3
; CHECK-NEXT: callq trap_func@PLT
entry:
switch i32 %i, label %if.end3 [
i32 5, label %if.then
i32 7, label %if.then2
]
if.then:
tail call void @llvm.debugtrap() #1
unreachable
if.then2:
tail call void @llvm.debugtrap() #1
unreachable
if.end3:
tail call void @llvm.debugtrap() #1
unreachable
}
declare dso_local void @llvm.debugtrap()
attributes #0 = { nomerge }
attributes #1 = { nomerge "trap-func-name"="trap_func" }
|
