This should always be signed chars, so use int8_t. This fixes a miscompile when
[llvm/stm8.git] / test / CodeGen / X86 / unreachable-loop-sinking.ll
blob35f69175a86aa2e0de84e9d6e3efd981f7123fe1
1 ; RUN: llc < %s
2 ; PR6777
4 ; MachineSink shouldn't try to sink code in unreachable blocks, as it's
5 ; not worthwhile, and there are corner cases which it doesn't handle.
7 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"
8 target triple = "x86_64-unknown-linux-gnu"
10 define double @fn1(i8* %arg, i64 %arg1) {
11 Entry:
12   br i1 undef, label %Body, label %Exit
14 Exit:                                             ; preds = %Brancher7, %Entry
15   ret double undef
17 Body:                                             ; preds = %Entry
18   br i1 false, label %Brancher7, label %Body3
20 Body3:                                            ; preds = %Body6, %Body3, %Body
21   br label %Body3
23 Body6:                                            ; preds = %Brancher7
24   %tmp = fcmp oeq double 0xC04FBB2E40000000, undef ; <i1> [#uses=1]
25   br i1 %tmp, label %Body3, label %Brancher7
27 Brancher7:                                        ; preds = %Body6, %Body
28   %tmp2 = icmp ult i32 undef, 10                  ; <i1> [#uses=1]
29   br i1 %tmp2, label %Body6, label %Exit