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ab7dba233a
Currently, the builtins used for implementing `va_list` handling unconditionally take their arguments as unqualified `ptr`s i.e. pointers to AS 0. This does not work for targets where the default AS is not 0 or AS 0 is not a viable AS (for example, a target might choose 0 to represent the constant address space). This patch changes the builtins' signature to take generic `anyptr` args, which corrects this issue. It is noisy due to the number of tests affected. A test for an upstream target which does not use 0 as its default AS (SPIRV for HIP device compilations) is added as well.
82 lines
2.3 KiB
LLVM
82 lines
2.3 KiB
LLVM
; RUN: opt -passes=name-anon-globals -module-summary < %s | llvm-bcanalyzer -dump | FileCheck %s -check-prefix=BC
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; Check for summary block/records.
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; BC: <SOURCE_FILENAME
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; "h"
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; BC-NEXT: <GLOBALVAR {{.*}} op0=0 op1=1
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; "foo"
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; BC-NEXT: <FUNCTION op0=1 op1=3
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; "bar"
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; BC-NEXT: <FUNCTION op0=4 op1=3
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; "anon.[32 chars].0"
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; BC-NEXT: <FUNCTION op0=7 op1=39
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; "variadic"
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; BC-NEXT: <FUNCTION op0=46 op1=8
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; "llvm.va_start"
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; BC-NEXT: <FUNCTION op0=54 op1=16
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; "f"
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; BC-NEXT: <ALIAS op0=70 op1=1
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; BC: <GLOBALVAL_SUMMARY_BLOCK
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; BC-NEXT: <VERSION
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; BC-NEXT: <FLAGS
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; BC-NEXT: <PERMODULE_PROFILE {{.*}} op0=1 op1=0
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; BC-NEXT: <PERMODULE_PROFILE {{.*}} op0=2 op1=0
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; BC-NEXT: <PERMODULE_PROFILE {{.*}} op0=3 op1=7
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; BC-NEXT: <PERMODULE_PROFILE {{.*}} op0=4 op1=0 op2=4 op3=0
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; BC-NEXT: <ALIAS {{.*}} op0=6 op1=0 op2=3
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; BC-NEXT: </GLOBALVAL_SUMMARY_BLOCK
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; BC: <STRTAB_BLOCK
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; BC-NEXT: blob data = 'hfoobaranon.{{................................}}.0variadicllvm.va_start.p{{[0-9]+}}f{{.*}}'
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; RUN: opt -passes=name-anon-globals -module-summary < %s | llvm-dis | FileCheck %s
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; RUN: opt -passes=name-anon-globals -module-summary -S < %s | FileCheck %s
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; RUN: opt -passes=name-anon-globals -module-summary -S < %s | llvm-as | llvm-dis | FileCheck %s
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; Check that this round-trips correctly.
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; ModuleID = '<stdin>'
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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; CHECK: define i32 @foo()
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; Function Attrs: nounwind uwtable
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define i32 @foo() #0 {
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entry:
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ret i32 1
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}
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; CHECK: define i32 @bar(i32 %x)
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; Function Attrs: nounwind uwtable
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define i32 @bar(i32 %x) #0 {
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entry:
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ret i32 %x
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}
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; FIXME: Anonymous function and alias not currently in summary until
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; follow on fixes to rename anonymous globals and emit alias summary
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; entries are committed.
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; Check an anonymous function as well, since in that case only the alias
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; ends up in the value symbol table and having a summary.
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@f = alias void (), void ()* @0 ; <ptr> [#uses=0]
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@h = external global void ()* ; <ptr> [#uses=0]
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define internal void @0() nounwind {
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entry:
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store void()* @0, void()** @h
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br label %return
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return: ; preds = %entry
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ret void
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}
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define i32 @variadic(...) {
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%ap = alloca i8*, align 8
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%ap.0 = bitcast i8** %ap to i8*
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call void @llvm.va_start(i8* %ap.0)
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ret i32 42
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}
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declare void @llvm.va_start(i8*) nounwind
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