Make all the schedulers continue to work.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29510 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/Generic/2006-07-03-schedulers.ll b/test/CodeGen/Generic/2006-07-03-schedulers.ll
new file mode 100644 (file)
index 0000000..c1f1523
--- /dev/null
+++ b/test/CodeGen/Generic/2006-07-03-schedulers.ll
@@ -0,0 +1,40 @@
+; RUN: llvm-as -f %s -o - | llc -sched=none
+; RUN: llvm-as -f %s -o - | llc -sched=default
+; RUN: llvm-as -f %s -o - | llc -sched=simple
+; RUN: llvm-as -f %s -o - | llc -sched=simple-noitin
+; RUN: llvm-as -f %s -o - | llc -sched=list-td
+; RUN: llvm-as -f %s -o - | llc -sched=list-tdrr
+; RUN: llvm-as -f %s -o - | llc -sched=list-burr
+; PR859
+
+implementation
+declare int "printf"(sbyte*, int, float)
+
+
+int "testissue"(int %i, float %x, float %y)
+begin
+       br label %bb1
+bb1:
+       %x1 = mul float %x, %y                  ;; x1
+       %y1 = mul float %y, 0.75                ;; y1
+       %z1 = add float %x1, %y1                ;; z1 = x1 + y1
+       
+       %x2 = mul float %x, 0.5                 ;; x2
+       %y2 = mul float %y, 0.9                 ;; y2
+       %z2 = add float %x2, %y2                ;; z2 = x2 + y2
+       
+       %z3 = add float %z1, %z2                ;; z3 = z1 + z2
+           
+       %i1 = shl int   %i, ubyte 3             ;; i1
+       %j1 = add int   %i, 7                   ;; j1
+       %m1 = add int   %i1, %j1                ;; k1 = i1 + j1
+;;     %m1 = div int   %k1, 99                 ;; m1 = k1 / 99
+       
+       %b  = setle int %m1, 6                  ;; (m1 <= 6)?
+       br bool %b, label %bb1, label %bb2
+
+bb2:
+       %Msg = cast ulong 0 to sbyte *
+       call int %printf(sbyte* %Msg, int %m1, float %z3)
+       ret int 0
+end