Ding dong, the DoesntAccessMemoryFns and
OnlyReadsMemoryFns tables are dead! We
get more, and more accurate, information
from gcc via the readnone and readonly
function attributes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44288 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Analysis/GlobalsModRef/chaining-analysis.ll b/test/Analysis/GlobalsModRef/chaining-analysis.ll
index 4924456..e521cc1 100644
--- a/test/Analysis/GlobalsModRef/chaining-analysis.ll
+++ b/test/Analysis/GlobalsModRef/chaining-analysis.ll
@@ -1,20 +1,20 @@
-; RUN: llvm-upgrade < %s | llvm-as | opt -globalsmodref-aa -load-vn -gcse | llvm-dis | not grep load
+; RUN: llvm-as < %s | opt -globalsmodref-aa -load-vn -gcse | llvm-dis | not grep load
-; This test requires the use of previous analyses to determine that
+; This test requires the use of previous analyses to determine that
; doesnotmodX does not modify X (because 'sin' doesn't).
-%X = internal global int 4
+@X = internal global i32 4 ; <i32*> [#uses=2]
-declare double %sin(double)
+declare double @sin(double) readnone
-int %test(int *%P) {
- store int 12, int* %X
- call double %doesnotmodX(double 1.0)
- %V = load int* %X
- ret int %V
+define i32 @test(i32* %P) {
+ store i32 12, i32* @X
+ call double @doesnotmodX( double 1.000000e+00 ) ; <double>:1 [#uses=0]
+ %V = load i32* @X ; <i32> [#uses=1]
+ ret i32 %V
}
-double %doesnotmodX(double %V) {
- %V2 = call double %sin(double %V)
- ret double %V2
+define double @doesnotmodX(double %V) {
+ %V2 = call double @sin( double %V ) readnone ; <double> [#uses=1]
+ ret double %V2
}
diff --git a/test/Analysis/LoadVN/call_cse.ll b/test/Analysis/LoadVN/call_cse.ll
index 78cdd43..b62300f 100644
--- a/test/Analysis/LoadVN/call_cse.ll
+++ b/test/Analysis/LoadVN/call_cse.ll
@@ -1,11 +1,12 @@
-; RUN: llvm-upgrade < %s | llvm-as | opt -basicaa -load-vn -gcse -instcombine | llvm-dis | not grep sub
-declare int %strlen(sbyte*)
+; RUN: llvm-as < %s | opt -basicaa -load-vn -gcse -instcombine | llvm-dis | not grep sub
-int %test(sbyte* %P) {
- %X = call int %strlen(sbyte* %P)
- %A = add int %X, 14
- %Y = call int %strlen(sbyte* %P)
- %Z = sub int %X, %Y
- %B = add int %A, %Z
- ret int %B
+declare i32 @strlen(i8*) readonly
+
+define i32 @test(i8* %P) {
+ %X = call i32 @strlen( i8* %P ) readonly ; <i32> [#uses=2]
+ %A = add i32 %X, 14 ; <i32> [#uses=1]
+ %Y = call i32 @strlen( i8* %P ) readonly ; <i32> [#uses=1]
+ %Z = sub i32 %X, %Y ; <i32> [#uses=1]
+ %B = add i32 %A, %Z ; <i32> [#uses=1]
+ ret i32 %B
}
diff --git a/test/Analysis/LoadVN/call_pure_function.ll b/test/Analysis/LoadVN/call_pure_function.ll
index 302ae60..8055c52 100644
--- a/test/Analysis/LoadVN/call_pure_function.ll
+++ b/test/Analysis/LoadVN/call_pure_function.ll
@@ -1,13 +1,14 @@
-; RUN: llvm-upgrade < %s | llvm-as | opt -basicaa -load-vn -gcse -instcombine | llvm-dis | not grep sub
-declare int %strlen(sbyte*)
-declare void %use(int %X)
+; RUN: llvm-as < %s | opt -basicaa -load-vn -gcse -instcombine | llvm-dis | not grep sub
-sbyte %test(sbyte* %P, sbyte* %Q) {
- %A = load sbyte* %Q
- %X = call int %strlen(sbyte* %P)
- %B = load sbyte* %Q ;; CSE with A.
- call void %use(int %X) ;; make strlen not dead
+declare i32 @strlen(i8*) readonly
- %C = sub sbyte %A, %B
- ret sbyte %C
+declare void @use(i32)
+
+define i8 @test(i8* %P, i8* %Q) {
+ %A = load i8* %Q ; <i8> [#uses=1]
+ %X = call i32 @strlen( i8* %P ) readonly ; <i32> [#uses=1]
+ %B = load i8* %Q ; <i8> [#uses=1]
+ call void @use( i32 %X )
+ %C = sub i8 %A, %B ; <i8> [#uses=1]
+ ret i8 %C
}