mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-22 07:32:48 +00:00
fea1dd0804
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79992 91177308-0d34-0410-b5e6-96231b3b80d8
50 lines
1.6 KiB
LLVM
50 lines
1.6 KiB
LLVM
; RUN: llvm-as < %s | opt -tailduplicate | \
|
|
; RUN: llc -march=x86 -o %t
|
|
; RUN: grep {\\\<je\\\>} %t
|
|
; RUN: not grep jmp %t
|
|
; END.
|
|
; This should have no unconditional jumps in it. The C source is:
|
|
|
|
;void foo(int c, int* P) {
|
|
; if (c & 1) P[0] = 1;
|
|
; if (c & 2) P[1] = 1;
|
|
; if (c & 4) P[2] = 1;
|
|
; if (c & 8) P[3] = 1;
|
|
;}
|
|
|
|
define void @foo(i32 %c, i32* %P) {
|
|
entry:
|
|
%tmp1 = and i32 %c, 1 ; <i32> [#uses=1]
|
|
%tmp1.upgrd.1 = icmp eq i32 %tmp1, 0 ; <i1> [#uses=1]
|
|
br i1 %tmp1.upgrd.1, label %cond_next, label %cond_true
|
|
cond_true: ; preds = %entry
|
|
store i32 1, i32* %P
|
|
br label %cond_next
|
|
cond_next: ; preds = %cond_true, %entry
|
|
%tmp5 = and i32 %c, 2 ; <i32> [#uses=1]
|
|
%tmp5.upgrd.2 = icmp eq i32 %tmp5, 0 ; <i1> [#uses=1]
|
|
br i1 %tmp5.upgrd.2, label %cond_next10, label %cond_true6
|
|
cond_true6: ; preds = %cond_next
|
|
%tmp8 = getelementptr i32* %P, i32 1 ; <i32*> [#uses=1]
|
|
store i32 1, i32* %tmp8
|
|
br label %cond_next10
|
|
cond_next10: ; preds = %cond_true6, %cond_next
|
|
%tmp13 = and i32 %c, 4 ; <i32> [#uses=1]
|
|
%tmp13.upgrd.3 = icmp eq i32 %tmp13, 0 ; <i1> [#uses=1]
|
|
br i1 %tmp13.upgrd.3, label %cond_next18, label %cond_true14
|
|
cond_true14: ; preds = %cond_next10
|
|
%tmp16 = getelementptr i32* %P, i32 2 ; <i32*> [#uses=1]
|
|
store i32 1, i32* %tmp16
|
|
br label %cond_next18
|
|
cond_next18: ; preds = %cond_true14, %cond_next10
|
|
%tmp21 = and i32 %c, 8 ; <i32> [#uses=1]
|
|
%tmp21.upgrd.4 = icmp eq i32 %tmp21, 0 ; <i1> [#uses=1]
|
|
br i1 %tmp21.upgrd.4, label %return, label %cond_true22
|
|
cond_true22: ; preds = %cond_next18
|
|
%tmp24 = getelementptr i32* %P, i32 3 ; <i32*> [#uses=1]
|
|
store i32 1, i32* %tmp24
|
|
ret void
|
|
return: ; preds = %cond_next18
|
|
ret void
|
|
}
|