llvm-mirror/test/CodeGen/AArch64/fast-isel-switch-phi.ll
2014-10-12 06:47:47 +00:00

26 lines
553 B
LLVM

; RUN: llc -mtriple=aarch64-apple-darwin -fast-isel -verify-machineinstrs < %s
; Test that the Machine Instruction PHI node doesn't have more than one operand
; from the same predecessor.
define i32 @foo(i32 %a, i32 %b, i1 %c) {
entry:
br i1 %c, label %switch, label %direct
switch:
switch i32 %a, label %exit [
i32 43, label %continue
i32 45, label %continue
]
direct:
%var = add i32 %b, 1
br label %continue
continue:
%var.phi = phi i32 [ %var, %direct ], [ 0, %switch ], [ 0, %switch ]
ret i32 %var.phi
exit:
ret i32 1
}