Skip to content

Commit

Permalink
Convert some byval argpromotion grep tests to FileCheck
Browse files Browse the repository at this point in the history
Surprisingly, the i32* byval parameter is not transformed by
argpromotion.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212067 91177308-0d34-0410-b5e6-96231b3b80d8
  • Loading branch information
rnk committed Jun 30, 2014
1 parent 6408a8b commit 53da3fa
Show file tree
Hide file tree
Showing 3 changed files with 58 additions and 44 deletions.
32 changes: 19 additions & 13 deletions test/Transforms/ArgumentPromotion/basictest.ll
Original file line number Diff line number Diff line change
@@ -1,23 +1,29 @@
; RUN: opt < %s -basicaa -argpromotion -mem2reg -S | not grep alloca
; RUN: opt < %s -basicaa -argpromotion -mem2reg -S | FileCheck %s
target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"

define internal i32 @test(i32* %X, i32* %Y) {
%A = load i32* %X ; <i32> [#uses=1]
%B = load i32* %Y ; <i32> [#uses=1]
%C = add i32 %A, %B ; <i32> [#uses=1]
ret i32 %C
; CHECK-LABEL: define internal i32 @test(i32 %X.val, i32 %Y.val)
%A = load i32* %X
%B = load i32* %Y
%C = add i32 %A, %B
ret i32 %C
}

define internal i32 @caller(i32* %B) {
%A = alloca i32 ; <i32*> [#uses=2]
store i32 1, i32* %A
%C = call i32 @test( i32* %A, i32* %B ) ; <i32> [#uses=1]
ret i32 %C
; CHECK-LABEL: define internal i32 @caller(i32 %B.val1)
%A = alloca i32
store i32 1, i32* %A
%C = call i32 @test(i32* %A, i32* %B)
; CHECK: call i32 @test(i32 1, i32 %B.val1)
ret i32 %C
}

define i32 @callercaller() {
%B = alloca i32 ; <i32*> [#uses=2]
store i32 2, i32* %B
%X = call i32 @caller( i32* %B ) ; <i32> [#uses=1]
ret i32 %X
; CHECK-LABEL: define i32 @callercaller()
%B = alloca i32
store i32 2, i32* %B
%X = call i32 @caller(i32* %B)
; CHECK: call i32 @caller(i32 2)
ret i32 %X
}

37 changes: 21 additions & 16 deletions test/Transforms/ArgumentPromotion/byval-2.ll
Original file line number Diff line number Diff line change
@@ -1,26 +1,31 @@
; RUN: opt < %s -argpromotion -S | grep -F "i32* byval" | count 2
; Argpromote + scalarrepl should change this to passing the two integers by value.
; RUN: opt < %s -argpromotion -S | FileCheck %s

%struct.ss = type { i32, i64 }
; Arg promotion eliminates the struct argument.
; FIXME: Should it eliminate the i32* argument?

%struct.ss = type { i32, i64 }

define internal void @f(%struct.ss* byval %b, i32* byval %X) nounwind {
; CHECK-LABEL: define internal void @f(i32 %b.0, i64 %b.1, i32* byval %X)
entry:
%tmp = getelementptr %struct.ss* %b, i32 0, i32 0
%tmp1 = load i32* %tmp, align 4
%tmp2 = add i32 %tmp1, 1
store i32 %tmp2, i32* %tmp, align 4
%tmp = getelementptr %struct.ss* %b, i32 0, i32 0
%tmp1 = load i32* %tmp, align 4
%tmp2 = add i32 %tmp1, 1
store i32 %tmp2, i32* %tmp, align 4

store i32 0, i32* %X
ret void
store i32 0, i32* %X
ret void
}

define i32 @test(i32* %X) {
; CHECK-LABEL: define i32 @test
entry:
%S = alloca %struct.ss ; <%struct.ss*> [#uses=4]
%tmp1 = getelementptr %struct.ss* %S, i32 0, i32 0 ; <i32*> [#uses=1]
store i32 1, i32* %tmp1, align 8
%tmp4 = getelementptr %struct.ss* %S, i32 0, i32 1 ; <i64*> [#uses=1]
store i64 2, i64* %tmp4, align 4
call void @f( %struct.ss* byval %S, i32* byval %X)
ret i32 0
%S = alloca %struct.ss
%tmp1 = getelementptr %struct.ss* %S, i32 0, i32 0
store i32 1, i32* %tmp1, align 8
%tmp4 = getelementptr %struct.ss* %S, i32 0, i32 1
store i64 2, i64* %tmp4, align 4
call void @f( %struct.ss* byval %S, i32* byval %X)
; CHECK: call void @f(i32 %{{.*}}, i64 %{{.*}}, i32* byval %{{.*}})
ret i32 0
}
33 changes: 18 additions & 15 deletions test/Transforms/ArgumentPromotion/byval.ll
Original file line number Diff line number Diff line change
@@ -1,25 +1,28 @@
; RUN: opt < %s -argpromotion -scalarrepl -S | not grep load
; RUN: opt < %s -argpromotion -S | FileCheck %s

target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
; Argpromote + scalarrepl should change this to passing the two integers by value.

%struct.ss = type { i32, i64 }
%struct.ss = type { i32, i64 }

define internal void @f(%struct.ss* byval %b) nounwind {
; CHECK-LABEL: define internal void @f(i32 %b.0, i64 %b.1)
entry:
%tmp = getelementptr %struct.ss* %b, i32 0, i32 0 ; <i32*> [#uses=2]
%tmp1 = load i32* %tmp, align 4 ; <i32> [#uses=1]
%tmp2 = add i32 %tmp1, 1 ; <i32> [#uses=1]
store i32 %tmp2, i32* %tmp, align 4
ret void
%tmp = getelementptr %struct.ss* %b, i32 0, i32 0 ; <i32*> [#uses=2]
%tmp1 = load i32* %tmp, align 4 ; <i32> [#uses=1]
%tmp2 = add i32 %tmp1, 1 ; <i32> [#uses=1]
store i32 %tmp2, i32* %tmp, align 4
ret void
}

define i32 @main() nounwind {
; CHECK-LABEL: define i32 @main
entry:
%S = alloca %struct.ss ; <%struct.ss*> [#uses=4]
%tmp1 = getelementptr %struct.ss* %S, i32 0, i32 0 ; <i32*> [#uses=1]
store i32 1, i32* %tmp1, align 8
%tmp4 = getelementptr %struct.ss* %S, i32 0, i32 1 ; <i64*> [#uses=1]
store i64 2, i64* %tmp4, align 4
call void @f( %struct.ss* byval %S ) nounwind
ret i32 0
%S = alloca %struct.ss ; <%struct.ss*> [#uses=4]
%tmp1 = getelementptr %struct.ss* %S, i32 0, i32 0 ; <i32*> [#uses=1]
store i32 1, i32* %tmp1, align 8
%tmp4 = getelementptr %struct.ss* %S, i32 0, i32 1 ; <i64*> [#uses=1]
store i64 2, i64* %tmp4, align 4
call void @f( %struct.ss* byval %S ) nounwind
; CHECK: call void @f(i32 %{{.*}}, i64 %{{.*}})
ret i32 0
}

0 comments on commit 53da3fa

Please sign in to comment.