mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-21 00:32:23 +00:00
3d222b9ace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30157 91177308-0d34-0410-b5e6-96231b3b80d8
58 lines
2.0 KiB
LLVM
58 lines
2.0 KiB
LLVM
; RUN: llvm-as < %s | opt -tailduplicate | llc -march=x86 | grep 'je ' &&
|
|
; RUN: llvm-as < %s | opt -tailduplicate | llc -march=x86 | not grep jmp
|
|
; 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;
|
|
;}
|
|
|
|
|
|
void %foo(int %c, int* %P) {
|
|
entry:
|
|
%tmp1 = and int %c, 1 ; <int> [#uses=1]
|
|
%tmp1 = seteq int %tmp1, 0 ; <bool> [#uses=1]
|
|
br bool %tmp1, label %cond_next, label %cond_true
|
|
|
|
cond_true: ; preds = %entry
|
|
store int 1, int* %P
|
|
br label %cond_next
|
|
|
|
cond_next: ; preds = %entry, %cond_true
|
|
%tmp5 = and int %c, 2 ; <int> [#uses=1]
|
|
%tmp5 = seteq int %tmp5, 0 ; <bool> [#uses=1]
|
|
br bool %tmp5, label %cond_next10, label %cond_true6
|
|
|
|
cond_true6: ; preds = %cond_next
|
|
%tmp8 = getelementptr int* %P, int 1 ; <int*> [#uses=1]
|
|
store int 1, int* %tmp8
|
|
br label %cond_next10
|
|
|
|
cond_next10: ; preds = %cond_next, %cond_true6
|
|
%tmp13 = and int %c, 4 ; <int> [#uses=1]
|
|
%tmp13 = seteq int %tmp13, 0 ; <bool> [#uses=1]
|
|
br bool %tmp13, label %cond_next18, label %cond_true14
|
|
|
|
cond_true14: ; preds = %cond_next10
|
|
%tmp16 = getelementptr int* %P, int 2 ; <int*> [#uses=1]
|
|
store int 1, int* %tmp16
|
|
br label %cond_next18
|
|
|
|
cond_next18: ; preds = %cond_next10, %cond_true14
|
|
%tmp21 = and int %c, 8 ; <int> [#uses=1]
|
|
%tmp21 = seteq int %tmp21, 0 ; <bool> [#uses=1]
|
|
br bool %tmp21, label %return, label %cond_true22
|
|
|
|
cond_true22: ; preds = %cond_next18
|
|
%tmp24 = getelementptr int* %P, int 3 ; <int*> [#uses=1]
|
|
store int 1, int* %tmp24
|
|
ret void
|
|
|
|
return: ; preds = %cond_next18
|
|
ret void
|
|
}
|
|
|
|
|