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db43217a24
Currently we have a number of tests that fail with -verify-machineinstrs. To detect this cases earlier we add the option to the testcases with the exception of tests that will currently fail with this option. PR 27456 keeps track of this failures. No code review, as discussed with Hal Finkel. llvm-svn: 277624
82 lines
2.7 KiB
LLVM
82 lines
2.7 KiB
LLVM
; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc64-unknown-linux-gnu | FileCheck %s
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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"
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target triple = "powerpc64-unknown-linux-gnu"
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define void @foo(i32* %P) #0 {
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entry:
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%tobool = icmp eq i32* %P, null
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br i1 %tobool, label %if.end, label %if.then
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if.then: ; preds = %entry
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store i32 0, i32* %P, align 4
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br label %if.end
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if.end: ; preds = %entry, %if.then
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ret void
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; CHECK: @foo
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; CHECK: beqlr
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; CHECK: blr
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}
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define void @bar(i32* %P, i32* %Q) #0 {
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entry:
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%tobool = icmp eq i32* %P, null
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br i1 %tobool, label %if.else, label %if.then
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if.then: ; preds = %entry
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store i32 0, i32* %P, align 4
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%tobool1 = icmp eq i32* %Q, null
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br i1 %tobool1, label %if.end3, label %if.then2
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if.then2: ; preds = %if.then
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store i32 1, i32* %Q, align 4
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br label %if.end3
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if.else: ; preds = %entry
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store i32 0, i32* %Q, align 4
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br label %if.end3
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if.end3: ; preds = %if.then, %if.then2, %if.else
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ret void
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; CHECK: @bar
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; CHECK: beqlr
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; CHECK: blr
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}
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@.str0 = private unnamed_addr constant [2 x i8] c"a\00"
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@.str1 = private unnamed_addr constant [2 x i8] c"b\00"
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@.str2 = private unnamed_addr constant [2 x i8] c"c\00"
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@.str3 = private unnamed_addr constant [2 x i8] c"d\00"
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@.str4 = private unnamed_addr constant [2 x i8] c"e\00"
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define i8* @dont_assert(i32 %x) {
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; LLVM would assert due to moving an early return into the jump table block and
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; removing one of its predecessors despite that block ending with an indirect
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; branch.
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entry:
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switch i32 %x, label %sw.epilog [
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i32 1, label %return
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i32 2, label %sw.bb1
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i32 3, label %sw.bb2
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i32 4, label %sw.bb3
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i32 255, label %sw.bb4
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]
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sw.bb1: br label %return
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sw.bb2: br label %return
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sw.bb3: br label %return
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sw.bb4: br label %return
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sw.epilog: br label %return
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return:
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%retval.0 = phi i8* [ null, %sw.epilog ],
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[ getelementptr inbounds ([2 x i8], [2 x i8]* @.str4, i64 0, i64 0), %sw.bb4 ],
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[ getelementptr inbounds ([2 x i8], [2 x i8]* @.str3, i64 0, i64 0), %sw.bb3 ],
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[ getelementptr inbounds ([2 x i8], [2 x i8]* @.str2, i64 0, i64 0), %sw.bb2 ],
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[ getelementptr inbounds ([2 x i8], [2 x i8]* @.str1, i64 0, i64 0), %sw.bb1 ],
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[ getelementptr inbounds ([2 x i8], [2 x i8]* @.str0, i64 0, i64 0), %entry ]
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ret i8* %retval.0
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}
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attributes #0 = { nounwind }
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