llvm-for-llvmta/test/CodeGen/X86/2010-03-05-EFLAGS-Redef.ll

50 lines
1.6 KiB
LLVM

; RUN: llc < %s -verify-machineinstrs
;
; This test case is transformed into a single basic block by the machine
; branch folding pass. That makes a complete mess of the %eflags liveness, but
; we don't care about liveness this late anyway.
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-apple-darwin10.2"
define i32 @main(i32 %argc, i8** nocapture %argv) ssp {
entry:
br i1 undef, label %bb, label %bb2
bb: ; preds = %entry
br label %bb2
bb2: ; preds = %bb, %entry
br i1 undef, label %bb3, label %bb5
bb3: ; preds = %bb2
br label %bb5
bb5: ; preds = %bb3, %bb2
br i1 undef, label %bb.nph239, label %bb8
bb.nph239: ; preds = %bb5
unreachable
bb8: ; preds = %bb5
br i1 undef, label %bb.nph237, label %bb47
bb.nph237: ; preds = %bb8
unreachable
bb47: ; preds = %bb8
br i1 undef, label %bb49, label %bb48
bb48: ; preds = %bb47
unreachable
bb49: ; preds = %bb47
br i1 undef, label %bb51, label %bb50
bb50: ; preds = %bb49
ret i32 0
bb51: ; preds = %bb49
ret i32 0
}