-; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mattr=+thumb2 | FileCheck %s
-; If-conversion defeats the purpose of this test, which is to check conditional
-; branch generation, so use memory barrier instruction to make sure it doesn't
+; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mattr=+thumb2 -arm-atomic-cfg-tidy=0 | FileCheck %s
+; If-conversion defeats the purpose of this test, which is to check
+; conditional branch generation, so a call to make sure it doesn't
; happen and we get actual branches.
+declare void @foo()
+
define i32 @f1(i32 %a, i32 %b, i32* %v) {
entry:
-; CHECK: f1:
+; CHECK-LABEL: f1:
; CHECK: bne LBB
%tmp = icmp eq i32 %a, %b ; <i1> [#uses=1]
br i1 %tmp, label %cond_true, label %return
cond_true: ; preds = %entry
- call void @llvm.memory.barrier(i1 true, i1 true, i1 true, i1 true, i1 false)
+ call void @foo()
store i32 0, i32* %v
ret i32 0
return: ; preds = %entry
- call void @llvm.memory.barrier(i1 true, i1 true, i1 true, i1 true, i1 false)
+ call void @foo()
ret i32 1
}
define i32 @f2(i32 %a, i32 %b, i32* %v) {
entry:
-; CHECK: f2:
+; CHECK-LABEL: f2:
; CHECK: bge LBB
%tmp = icmp slt i32 %a, %b ; <i1> [#uses=1]
br i1 %tmp, label %cond_true, label %return
cond_true: ; preds = %entry
- call void @llvm.memory.barrier(i1 true, i1 true, i1 true, i1 true, i1 false)
+ call void @foo()
store i32 0, i32* %v
ret i32 0
return: ; preds = %entry
- call void @llvm.memory.barrier(i1 true, i1 true, i1 true, i1 true, i1 false)
+ call void @foo()
ret i32 1
}
define i32 @f3(i32 %a, i32 %b, i32* %v) {
entry:
-; CHECK: f3:
+; CHECK-LABEL: f3:
; CHECK: bhs LBB
%tmp = icmp ult i32 %a, %b ; <i1> [#uses=1]
br i1 %tmp, label %cond_true, label %return
cond_true: ; preds = %entry
- call void @llvm.memory.barrier(i1 true, i1 true, i1 true, i1 true, i1 false)
+ call void @foo()
store i32 0, i32* %v
ret i32 0
return: ; preds = %entry
- call void @llvm.memory.barrier(i1 true, i1 true, i1 true, i1 true, i1 false)
+ call void @foo()
ret i32 1
}
define i32 @f4(i32 %a, i32 %b, i32* %v) {
entry:
-; CHECK: f4:
+; CHECK-LABEL: f4:
; CHECK: blo LBB
- %tmp = icmp ult i32 %a, %b ; <i1> [#uses=1]
- br i1 %tmp, label %return, label %cond_true
+ %tmp = icmp uge i32 %a, %b ; <i1> [#uses=1]
+ br i1 %tmp, label %cond_true, label %return
cond_true: ; preds = %entry
- call void @llvm.memory.barrier(i1 true, i1 true, i1 true, i1 true, i1 false)
+ call void @foo()
store i32 0, i32* %v
ret i32 0
return: ; preds = %entry
- call void @llvm.memory.barrier(i1 true, i1 true, i1 true, i1 true, i1 false)
+ call void @foo()
ret i32 1
}
-
-declare void @llvm.memory.barrier(i1, i1, i1, i1, i1) nounwind