6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-10-25 10:27:04 +00:00
Code Issues Projects Releases Wiki Activity

Optimize fprintf -> iprintf if there are no floating point arguments

Browse Source 
and siprintf is available on the target.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126940 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Richard Osborne
2011-03-03 14:20:22 +00:00
parent 43b4e23bac
commit 022708f221
4 changed files with 53 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
test/Transforms/SimplifyLibCalls/iprintf.ll
View File

@@ -46,5 +46,26 @@ entry:
ret i32 %0
}
; Verify fprintf with no floating point arguments is transformed to fiprintf
define i32 @f4(i8* %p, i32 %x) nounwind {
entry:
; CHECK: define i32 @f4
; CHECK: @fiprintf
; CHECK: }
%0 = tail call i32 (i8*, i8*, ...)* @fprintf(i8 *%p, i8* getelementptr ([4 x i8]* @.str1, i32 0, i32 0), i32 %x)
ret i32 %0
}
; Verify we don't turn this into an fiprintf call
define i32 @f5(i8* %p, double %x) nounwind {
entry:
; CHECK: define i32 @f5
; CHECK: @fprintf
; CHECK: }
%0 = tail call i32 (i8*, i8*, ...)* @fprintf(i8 *%p, i8* getelementptr ([4 x i8]* @.str, i32 0, i32 0), double %x)
ret i32 %0
}
declare i32 @printf(i8* nocapture, ...) nounwind
declare i32 @sprintf(i8* nocapture, i8* nocapture, ...) nounwind
declare i32 @fprintf(i8* nocapture, i8* nocapture, ...) nounwind