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llvm-mirror/test/Transforms/NewGVN/2008-12-09-SelfRemove.ll
Daniel Berlin 4b56b2ec94 Revert "NewGVN: Make unreachable blocks be marked with unreachable"
This reverts commit r293196

Besides making things look nicer, ATM, we'd like to preserve analysis
more than we'd like to destroy the CFG.  We'll probably revisit in the future

llvm-svn: 293501
2017-01-30 17:06:55 +00:00

39 lines
1.5 KiB
LLVM

; RUN: opt < %s -newgvn -S | FileCheck %s
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
target triple = "i386-apple-darwin9.5"
%struct.anon = type { i8*, i32 }
%struct.d_print_info = type { i32, i8*, i32, i32, %struct.d_print_template*, %struct.d_print_mod*, i32 }
%struct.d_print_mod = type { %struct.d_print_mod*, %struct.demangle_component*, i32, %struct.d_print_template* }
%struct.d_print_template = type { %struct.d_print_template*, %struct.demangle_component* }
%struct.demangle_component = type { i32, { %struct.anon } }
define void @d_print_mod_list(%struct.d_print_info* %dpi, %struct.d_print_mod* %mods, i32 %suffix) nounwind {
entry:
%0 = getelementptr %struct.d_print_info, %struct.d_print_info* %dpi, i32 0, i32 1 ; <i8**> [#uses=1]
br i1 false, label %return, label %bb
bb: ; preds = %entry
%1 = load i8*, i8** %0, align 4 ; <i8*> [#uses=0]
%2 = getelementptr %struct.d_print_info, %struct.d_print_info* %dpi, i32 0, i32 1 ; <i8**> [#uses=0]
br label %bb21
bb21: ; preds = %bb21, %bb
br label %bb21
return: ; preds = %entry
ret void
}
; CHECK: define void @d_print_mod_list(%struct.d_print_info* %dpi, %struct.d_print_mod* %mods, i32 %suffix) #0 {
; CHECK: entry:
; CHECK: %0 = getelementptr %struct.d_print_info, %struct.d_print_info* %dpi, i32 0, i32 1
; CHECK: br i1 false, label %return, label %bb
; CHECK: bb:
; CHECK: br label %bb21
; CHECK: bb21:
; CHECK: br label %bb21
; CHECK: return:
; CHECK: ret void
; CHECK: }