| ; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc64-unknown-linux-gnu | 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-f128:128:128-v128:128:128-n32:64" | |
| target triple = "powerpc64-unknown-linux-gnu" | |
| define void @foo(i32* %P) #0 { | |
| entry: | |
| %tobool = icmp eq i32* %P, null | |
| br i1 %tobool, label %if.end, label %if.then | |
| if.then: ; preds = %entry | |
| store i32 0, i32* %P, align 4 | |
| br label %if.end | |
| if.end: ; preds = %entry, %if.then | |
| ret void | |
| ; CHECK: @foo | |
| ; CHECK: beqlr | |
| ; CHECK: blr | |
| } | |
| define void @bar(i32* %P, i32* %Q) #0 { | |
| entry: | |
| %tobool = icmp eq i32* %P, null | |
| br i1 %tobool, label %if.else, label %if.then | |
| if.then: ; preds = %entry | |
| store i32 0, i32* %P, align 4 | |
| %tobool1 = icmp eq i32* %Q, null | |
| br i1 %tobool1, label %if.end3, label %if.then2 | |
| if.then2: ; preds = %if.then | |
| store i32 1, i32* %Q, align 4 | |
| br label %if.end3 | |
| if.else: ; preds = %entry | |
| store i32 0, i32* %Q, align 4 | |
| br label %if.end3 | |
| if.end3: ; preds = %if.then, %if.then2, %if.else | |
| ret void | |
| ; CHECK: @bar | |
| ; CHECK: beqlr | |
| ; CHECK: blr | |
| } | |
| @.str0 = private unnamed_addr constant [2 x i8] c"a\00" | |
| @.str1 = private unnamed_addr constant [2 x i8] c"b\00" | |
| @.str2 = private unnamed_addr constant [2 x i8] c"c\00" | |
| @.str3 = private unnamed_addr constant [2 x i8] c"d\00" | |
| @.str4 = private unnamed_addr constant [2 x i8] c"e\00" | |
| define i8* @dont_assert(i32 %x) { | |
| ; LLVM would assert due to moving an early return into the jump table block and | |
| ; removing one of its predecessors despite that block ending with an indirect | |
| ; branch. | |
| entry: | |
| switch i32 %x, label %sw.epilog [ | |
| i32 1, label %return | |
| i32 2, label %sw.bb1 | |
| i32 3, label %sw.bb2 | |
| i32 4, label %sw.bb3 | |
| i32 255, label %sw.bb4 | |
| ] | |
| sw.bb1: br label %return | |
| sw.bb2: br label %return | |
| sw.bb3: br label %return | |
| sw.bb4: br label %return | |
| sw.epilog: br label %return | |
| return: | |
| %retval.0 = phi i8* [ null, %sw.epilog ], | |
| [ getelementptr inbounds ([2 x i8], [2 x i8]* @.str4, i64 0, i64 0), %sw.bb4 ], | |
| [ getelementptr inbounds ([2 x i8], [2 x i8]* @.str3, i64 0, i64 0), %sw.bb3 ], | |
| [ getelementptr inbounds ([2 x i8], [2 x i8]* @.str2, i64 0, i64 0), %sw.bb2 ], | |
| [ getelementptr inbounds ([2 x i8], [2 x i8]* @.str1, i64 0, i64 0), %sw.bb1 ], | |
| [ getelementptr inbounds ([2 x i8], [2 x i8]* @.str0, i64 0, i64 0), %entry ] | |
| ret i8* %retval.0 | |
| } | |
| attributes #0 = { nounwind } |