1 files changed, 80 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/ARM/Windows/dbzchk.ll b/llvm/test/CodeGen/ARM/Windows/dbzchk.ll
new file mode 100644
index 00000000000..341d39070d0
--- /dev/null
+++ b/llvm/test/CodeGen/ARM/Windows/dbzchk.ll
@@ -0,0 +1,80 @@
+; RUN: llc -mtriple thumbv7--windows-itanium -print-machineinstrs=expand-isel-pseudos -o /dev/null %s 2>&1 | FileCheck %s -check-prefix CHECK-DIV
+
+; int f(int n, int d) {
+;   if (n / d)
+;     return 1;
+;   return 0;
+; }
+
+define arm_aapcs_vfpcc i32 @f(i32 %n, i32 %d) {
+entry:
+  %retval = alloca i32, align 4
+  %n.addr = alloca i32, align 4
+  %d.addr = alloca i32, align 4
+  store i32 %n, i32* %n.addr, align 4
+  store i32 %d, i32* %d.addr, align 4
+  %0 = load i32, i32* %n.addr, align 4
+  %1 = load i32, i32* %d.addr, align 4
+  %div = sdiv i32 %0, %1
+  %tobool = icmp ne i32 %div, 0
+  br i1 %tobool, label %if.then, label %if.end
+
+if.then:
+  store i32 1, i32* %retval, align 4
+  br label %return
+
+if.end:
+  store i32 0, i32* %retval, align 4
+  br label %return
+
+return:
+  %2 = load i32, i32* %retval, align 4
+  ret i32 %2
+}
+
+; CHECK-DIV-DAG: BB#0
+; CHECK-DIV-DAG: Successors according to CFG: BB#5({{.*}}) BB#4
+; CHECK-DIV-DAG: BB#1
+; CHECK-DIV-DAG: Successors according to CFG: BB#3
+; CHECK-DIV-DAG: BB#2
+; CHECK-DIV-DAG: Successors according to CFG: BB#3
+; CHECK-DIV-DAG: BB#3
+; CHECK-DIV-DAG: BB#4
+; CHECK-DIV-DAG: Successors according to CFG: BB#1({{.*}}) BB#2
+; CHECK-DIV-DAG: BB#5
+
+; RUN: llc -mtriple thumbv7--windows-itanium -print-machineinstrs=expand-isel-pseudos -o /dev/null %s 2>&1 | FileCheck %s -check-prefix CHECK-MOD
+
+; int r;
+; int g(int l, int m) {
+;   if (m <= 0)
+;     return 0;
+;   return (r = l % m);
+; }
+
+@r = common global i32 0, align 4
+
+define arm_aapcs_vfpcc i32 @g(i32 %l, i32 %m) {
+entry:
+  %cmp = icmp eq i32 %m, 0
+  br i1 %cmp, label %return, label %if.end
+
+if.end:
+  %rem = urem i32 %l, %m
+  store i32 %rem, i32* @r, align 4
+  br label %return
+
+return:
+  %retval.0 = phi i32 [ %rem, %if.end ], [ 0, %entry ]
+  ret i32 %retval.0
+}
+
+; CHECK-MOD-DAG: BB#0
+; CHECK-MOD-DAG: Successors according to CFG: BB#2({{.*}}) BB#1
+; CHECK-MOD-DAG: BB#1
+; CHECK-MOD-DAG: Successors according to CFG: BB#4({{.*}}) BB#3
+; CHECK-MOD-DAG: BB#2
+; CHECK-MOD-DAG: BB#3
+; CHECK-MOD-DAG: Successors according to CFG: BB#2
+; CHECK-MOD-DAG: BB#4
+