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remove parser support for the obsolete "multiple return values" syntax, which

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was replaced with return of a "first class aggregate".



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133245 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2011-06-17 06:49:41 +00:00
parent 6b7c89ee09
commit 437544f25c
13 changed files with 42 additions and 340 deletions
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test/Transforms/IPConstantProp/return-constants.ll
+31 -26
View File
@@ -4,38 +4,43 @@
;; Check that the second return values didn't get propagated
; RUN: cat %t | grep {%N = add i32 %B, %D}
define internal {i32, i32} @foo(i1 %Q) {
br i1 %Q, label %T, label %F
%0 = type { i32, i32 }
T: ; preds = %0
ret i32 21, i32 22
define internal %0 @foo(i1 %Q) {
br i1 %Q, label %T, label %F
F: ; preds = %0
ret i32 21, i32 23
T: ; preds = %0
%mrv = insertvalue %0 undef, i32 21, 0
%mrv1 = insertvalue %0 %mrv, i32 22, 1
ret %0 %mrv1
F: ; preds = %0
%mrv2 = insertvalue %0 undef, i32 21, 0
%mrv3 = insertvalue %0 %mrv2, i32 23, 1
ret %0 %mrv3
}
define internal {i32, i32} @bar(i1 %Q) {
%A = insertvalue { i32, i32 } undef, i32 21, 0
br i1 %Q, label %T, label %F
define internal %0 @bar(i1 %Q) {
%A = insertvalue %0 undef, i32 21, 0
br i1 %Q, label %T, label %F
T: ; preds = %0
%B = insertvalue { i32, i32 } %A, i32 22, 1
ret { i32, i32 } %B
T: ; preds = %0
%B = insertvalue %0 %A, i32 22, 1
ret %0 %B
F: ; preds = %0
%C = insertvalue { i32, i32 } %A, i32 23, 1
ret { i32, i32 } %C
F: ; preds = %0
%C = insertvalue %0 %A, i32 23, 1
ret %0 %C
}
define { i32, i32 } @caller(i1 %Q) {
%X = call {i32, i32} @foo( i1 %Q )
%A = getresult {i32, i32} %X, 0
%B = getresult {i32, i32} %X, 1
%Y = call {i32, i32} @bar( i1 %Q )
%C = extractvalue {i32, i32} %Y, 0
%D = extractvalue {i32, i32} %Y, 1
%M = add i32 %A, %C
%N = add i32 %B, %D
ret { i32, i32 } %X
define %0 @caller(i1 %Q) {
%X = call %0 @foo(i1 %Q)
%A = extractvalue %0 %X, 0
%B = extractvalue %0 %X, 1
%Y = call %0 @bar(i1 %Q)
%C = extractvalue %0 %Y, 0
%D = extractvalue %0 %Y, 1
%M = add i32 %A, %C
%N = add i32 %B, %D
ret %0 %X
}