tinygo-org/tinygo
1
0
Fork 0
mirror of https://github.com/tinygo-org/tinygo.git synced 2026-08-11 14:33:41 +00:00
Code Issues Packages Projects Releases 6 Wiki Activity

fix incorrect starting value for optimized allocations in a loop

Browse Source
This commit is contained in:
Jaden Weiss
2019-11-13 10:05:01 -05:00
committed by Ayke
parent acdaaa17d8
commit 93961f9d41
4 changed files with 36 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
transform/testdata/allocs.out.ll
Vendored
+14
View File
@@ -50,6 +50,20 @@ define i32* @testEscapingReturn() {
ret i32* %2
}
define void @testNonEscapingLoop() {
entry:
%stackalloc.alloca = alloca [1 x i32]
br label %loop
loop:
store [1 x i32] zeroinitializer, [1 x i32]* %stackalloc.alloca
%stackalloc = bitcast [1 x i32]* %stackalloc.alloca to i32*
%0 = call i32* @noescapeIntPtr(i32* %stackalloc)
%1 = icmp eq i32* null, %0
br i1 %1, label %loop, label %end
end:
ret void
}
declare i32* @escapeIntPtr(i32*)
declare i32* @noescapeIntPtr(i32* nocapture)