llvm-project/llvm/test/CodeGen/X86/codegen-prepare-cast.ll

29 lines
1.0 KiB
LLVM

; RUN: llc < %s -march=x86-64
; PR4297
; RUN: opt -S < %s -codegenprepare | FileCheck %s
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"
target triple = "x86_64-unknown-linux-gnu"
%"byte[]" = type { i64, i8* }
%"char[][]" = type { i64, %"byte[]"* }
@.str = external constant [7 x i8] ; <[7 x i8]*> [#uses=1]
; CHECK-LABEL: @_Dmain
; CHECK: load i8, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i32 0, i32 0)
; CHECK ret
define fastcc i32 @_Dmain(%"char[][]" %unnamed) {
entry:
%tmp = getelementptr [7 x i8], [7 x i8]* @.str, i32 0, i32 0 ; <i8*> [#uses=1]
br i1 undef, label %foreachbody, label %foreachend
foreachbody: ; preds = %entry
%tmp4 = getelementptr i8, i8* %tmp, i32 undef ; <i8*> [#uses=1]
%tmp5 = load i8, i8* %tmp4 ; <i8> [#uses=0]
unreachable
foreachend: ; preds = %entry
ret i32 0
}