Simple hand-coded tests to aid in early development of backends, along with a

Makefile to run ad-hoc tests easily.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15664 91177308-0d34-0410-b5e6-96231b3b80d8

20 files changed, 511 insertions, 0 deletions

diff --git a/test/CodeGen/Generic/Makefile b/test/CodeGen/Generic/Makefile
new file mode 100644
index 0000000000..d228f69a85
--- /dev/null
+++ b/test/CodeGen/Generic/Makefile
@@ -0,0 +1,23 @@
+# Makefile for running ad-hoc custom LLVM tests
+#
+%.bc: %.ll
+	llvm-as -f $< 
+	
+%.llc.s: %.bc
+	llc -f $< -o $@ 
+
+%.gcc.s: %.c
+	gcc -O0 -S $< -o $@
+
+%.nat: %.s
+	gcc -O0 -lm $< -o $@
+
+%.cbe.out: %.cbe.nat
+	./$< > $@
+
+%.out: %.nat
+	./$< > $@
+
+%.clean:
+	rm -f $(patsubst %.clean,%.bc,$@) $(patsubst %.clean,%.*.s,$@) \
+	      $(patsubst %.clean,%.*.nat,$@) $(patsubst %.clean,%.*.out,$@) 
diff --git a/test/CodeGen/Generic/branch.c b/test/CodeGen/Generic/branch.c
new file mode 100644
index 0000000000..d54a771da4
--- /dev/null
+++ b/test/CodeGen/Generic/branch.c
@@ -0,0 +1,15 @@
+#include <stdio.h>
+int a = 1, b = 2;
+
+int main() {
+  int i,j;
+  for (i=15; i>=0; --i) {
+    if (a < i) printf("%d < %d\n", a, i);
+    else printf("%d >= %d\n", a, i);
+    for (j=2; j <= 25; j++) {
+      printf("%d, ", j);
+    }
+    printf("\n");
+  }
+  return 0; 
+}
diff --git a/test/CodeGen/Generic/call-ret0.ll b/test/CodeGen/Generic/call-ret0.ll
new file mode 100644
index 0000000000..205b0be0c3
--- /dev/null
+++ b/test/CodeGen/Generic/call-ret0.ll
@@ -0,0 +1,8 @@
+int %foo(int %x) {
+  ret int %x
+}
+
+int %main() {  
+  %r = call int %foo(int 0) 
+  ret int %r
+}
diff --git a/test/CodeGen/Generic/call-ret42.ll b/test/CodeGen/Generic/call-ret42.ll
new file mode 100644
index 0000000000..3501288ab4
--- /dev/null
+++ b/test/CodeGen/Generic/call-ret42.ll
@@ -0,0 +1,8 @@
+int %foo(int %x) {
+  ret int 42
+}
+
+int %main() {  
+  %r = call int %foo(int 15) 
+  ret int %r
+}
diff --git a/test/CodeGen/Generic/call-void.ll b/test/CodeGen/Generic/call-void.ll
new file mode 100644
index 0000000000..b23a8d9b28
--- /dev/null
+++ b/test/CodeGen/Generic/call-void.ll
@@ -0,0 +1,8 @@
+void %foo() {
+  ret void
+}
+
+int %main() {  
+  call void ()* %foo() 
+  ret int 0
+}
diff --git a/test/CodeGen/Generic/call2-ret0.ll b/test/CodeGen/Generic/call2-ret0.ll
new file mode 100644
index 0000000000..6159e40c09
--- /dev/null
+++ b/test/CodeGen/Generic/call2-ret0.ll
@@ -0,0 +1,13 @@
+int %bar(int %x) {
+  ret int 0
+}
+
+int %foo(int %x) {
+  %q = call int %bar(int 1)
+  ret int %q
+}
+
+int %main() {  
+  %r = call int %foo(int 2) 
+  ret int %r
+}
diff --git a/test/CodeGen/Generic/cast-fp.ll b/test/CodeGen/Generic/cast-fp.ll
new file mode 100644
index 0000000000..9205fc9cb4
--- /dev/null
+++ b/test/CodeGen/Generic/cast-fp.ll
@@ -0,0 +1,47 @@
+%a_fstr = internal constant [8 x sbyte] c"a = %f\0A\00"
+%a_lstr = internal constant [10 x sbyte] c"a = %lld\0A\00"
+%a_dstr = internal constant [8 x sbyte] c"a = %d\0A\00"
+
+%b_dstr = internal constant [8 x sbyte] c"b = %d\0A\00"
+%b_fstr = internal constant [8 x sbyte] c"b = %f\0A\00"
+
+declare int %printf(sbyte*, ...)
+%A = global double 2.0
+%B = global int 2
+
+int %main() {  
+  ;; A
+  %a = load double* %A
+  %a_fs = getelementptr [8 x sbyte]* %a_fstr, long 0, long 0
+  call int (sbyte*, ...)* %printf(sbyte* %a_fs, double %a)
+
+  ;; cast double to long
+  %a_d2l = cast double %a to long
+  %a_ls = getelementptr [10 x sbyte]* %a_lstr, long 0, long 0
+  call int (sbyte*, ...)* %printf(sbyte* %a_ls, long %a_d2l)
+
+  ;; cast double to int
+  %a_d2i = cast double %a to int
+  %a_ds = getelementptr [8 x sbyte]* %a_dstr, long 0, long 0
+  call int (sbyte*, ...)* %printf(sbyte* %a_ds, int %a_d2i)
+
+  ;; cast double to sbyte
+  %a_d2sb = cast double %a to sbyte
+  call int (sbyte*, ...)* %printf(sbyte* %a_ds, sbyte %a_d2sb)
+
+  ;; cast int to sbyte
+  %a_d2i2sb = cast int %a_d2i to sbyte
+  call int (sbyte*, ...)* %printf(sbyte* %a_ds, sbyte %a_d2i2sb)
+
+  ;; B
+  %b = load int* %B
+  %b_ds = getelementptr [8 x sbyte]* %b_dstr, long 0, long 0
+  call int (sbyte*, ...)* %printf(sbyte* %b_ds, int %b)
+
+  ;; cast int to double
+  %b_i2d = cast int %b to double
+  %b_fs = getelementptr [8 x sbyte]* %b_fstr, long 0, long 0
+  call int (sbyte*, ...)* %printf(sbyte* %b_fs, double %b_i2d)
+
+  ret int 0
+}
diff --git a/test/CodeGen/Generic/global-ret0.ll b/test/CodeGen/Generic/global-ret0.ll
new file mode 100644
index 0000000000..f013937a8c
--- /dev/null
+++ b/test/CodeGen/Generic/global-ret0.ll
@@ -0,0 +1,6 @@
+%g = global int 0
+
+int %main() {  
+  %h = load int* %g
+  ret int %h
+}
diff --git a/test/CodeGen/Generic/hello.ll b/test/CodeGen/Generic/hello.ll
new file mode 100644
index 0000000000..3acde34f0f
--- /dev/null
+++ b/test/CodeGen/Generic/hello.ll
@@ -0,0 +1,9 @@
+%.str_1 = internal constant [7 x sbyte] c"hello\0A\00"
+
+declare int %printf(sbyte*, ...)
+
+int %main() {  
+  %s = getelementptr [7 x sbyte]* %.str_1, long 0, long 0
+  call int (sbyte*, ...)* %printf(sbyte* %s)
+  ret int 0
+}
diff --git a/test/CodeGen/Generic/print-add.ll b/test/CodeGen/Generic/print-add.ll
new file mode 100644
index 0000000000..0e998f4d49
--- /dev/null
+++ b/test/CodeGen/Generic/print-add.ll
@@ -0,0 +1,16 @@
+%.str_1 = internal constant [4 x sbyte] c"%d\0A\00"
+
+declare int %printf(sbyte*, ...)
+
+int %main() {  
+  %f = getelementptr [4 x sbyte]* %.str_1, long 0, long 0
+  %d = add int 1, 0
+  call int (sbyte*, ...)* %printf(sbyte* %f, int %d)
+  %e = add int 38, 2
+  call int (sbyte*, ...)* %printf(sbyte* %f, int %e)
+  %g = add int %d, %d
+  %h = add int %e, %g
+  call int (sbyte*, ...)* %printf(sbyte* %f, int %h)
+  ret int 0
+}
+
diff --git a/test/CodeGen/Generic/print-arith-fp.ll b/test/CodeGen/Generic/print-arith-fp.ll
new file mode 100644
index 0000000000..da3c558a69
--- /dev/null
+++ b/test/CodeGen/Generic/print-arith-fp.ll
@@ -0,0 +1,74 @@
+%a_str = internal constant [8 x sbyte] c"a = %f\0A\00"
+%b_str = internal constant [8 x sbyte] c"b = %f\0A\00"
+;; binary ops: arith
+%add_str = internal constant [12 x sbyte] c"a + b = %f\0A\00"
+%sub_str = internal constant [12 x sbyte] c"a - b = %f\0A\00"
+%mul_str = internal constant [12 x sbyte] c"a * b = %f\0A\00"
+%div_str = internal constant [12 x sbyte] c"b / a = %f\0A\00"
+%rem_str = internal constant [13 x sbyte] c"b %% a = %f\0A\00"
+;; binary ops: setcc
+%lt_str  = internal constant [12 x sbyte] c"a < b = %d\0A\00"
+%le_str  = internal constant [13 x sbyte] c"a <= b = %d\0A\00"
+%gt_str  = internal constant [12 x sbyte] c"a > b = %d\0A\00"
+%ge_str  = internal constant [13 x sbyte] c"a >= b = %d\0A\00"
+%eq_str  = internal constant [13 x sbyte] c"a == b = %d\0A\00"
+%ne_str  = internal constant [13 x sbyte] c"a != b = %d\0A\00"
+
+declare int %printf(sbyte*, ...)
+%A = global double 2.0
+%B = global double 5.0
+
+int %main() {  
+  ;; main vars
+  %a = load double* %A
+  %b = load double* %B
+
+  %a_s = getelementptr [8 x sbyte]* %a_str, long 0, long 0
+  %b_s = getelementptr [8 x sbyte]* %b_str, long 0, long 0
+  
+  call int (sbyte*, ...)* %printf(sbyte* %a_s, double %a)
+  call int (sbyte*, ...)* %printf(sbyte* %b_s, double %b)
+
+  ;; arithmetic
+  %add_r  = add double %a, %b
+  %sub_r  = sub double %a, %b
+  %mul_r  = mul double %a, %b
+  %div_r  = div double %b, %a
+  %rem_r  = rem double %b, %a
+
+  %add_s = getelementptr [12 x sbyte]* %add_str, long 0, long 0
+  %sub_s = getelementptr [12 x sbyte]* %sub_str, long 0, long 0
+  %mul_s = getelementptr [12 x sbyte]* %mul_str, long 0, long 0
+  %div_s = getelementptr [12 x sbyte]* %div_str, long 0, long 0
+  %rem_s = getelementptr [13 x sbyte]* %rem_str, long 0, long 0
+
+  call int (sbyte*, ...)* %printf(sbyte* %add_s, double %add_r)
+  call int (sbyte*, ...)* %printf(sbyte* %sub_s, double %sub_r)
+  call int (sbyte*, ...)* %printf(sbyte* %mul_s, double %mul_r)
+  call int (sbyte*, ...)* %printf(sbyte* %div_s, double %div_r)
+  call int (sbyte*, ...)* %printf(sbyte* %rem_s, double %rem_r)
+
+  ;; setcc
+  %lt_r = setlt double %a, %b
+  %le_r = setle double %a, %b
+  %gt_r = setgt double %a, %b 
+  %ge_r = setge double %a, %b
+  %eq_r = seteq double %a, %b
+  %ne_r = setne double %a, %b
+  
+  %lt_s = getelementptr [12 x sbyte]* %lt_str, long 0, long 0
+  %le_s = getelementptr [13 x sbyte]* %le_str, long 0, long 0
+  %gt_s = getelementptr [12 x sbyte]* %gt_str, long 0, long 0
+  %ge_s = getelementptr [13 x sbyte]* %ge_str, long 0, long 0
+  %eq_s = getelementptr [13 x sbyte]* %eq_str, long 0, long 0
+  %ne_s = getelementptr [13 x sbyte]* %ne_str, long 0, long 0
+
+  call int (sbyte*, ...)* %printf(sbyte* %lt_s, bool %lt_r)
+  call int (sbyte*, ...)* %printf(sbyte* %le_s, bool %le_r)
+  call int (sbyte*, ...)* %printf(sbyte* %gt_s, bool %gt_r)
+  call int (sbyte*, ...)* %printf(sbyte* %ge_s, bool %ge_r)
+  call int (sbyte*, ...)* %printf(sbyte* %eq_s, bool %eq_r)
+  call int (sbyte*, ...)* %printf(sbyte* %ne_s, bool %ne_r)
+
+  ret int 0
+}
diff --git a/test/CodeGen/Generic/print-arith-int.ll b/test/CodeGen/Generic/print-arith-int.ll
new file mode 100644
index 0000000000..d767190e59
--- /dev/null
+++ b/test/CodeGen/Generic/print-arith-int.ll
@@ -0,0 +1,100 @@
+%a_str = internal constant [8 x sbyte] c"a = %d\0A\00"
+%b_str = internal constant [8 x sbyte] c"b = %d\0A\00"
+;; binary ops: arith
+%add_str = internal constant [12 x sbyte] c"a + b = %d\0A\00"
+%sub_str = internal constant [12 x sbyte] c"a - b = %d\0A\00"
+%mul_str = internal constant [12 x sbyte] c"a * b = %d\0A\00"
+%div_str = internal constant [12 x sbyte] c"b / a = %d\0A\00"
+%rem_str = internal constant [13 x sbyte] c"b \% a = %d\0A\00"
+;; binary ops: setcc
+%lt_str  = internal constant [12 x sbyte] c"a < b = %d\0A\00"
+%le_str  = internal constant [13 x sbyte] c"a <= b = %d\0A\00"
+%gt_str  = internal constant [12 x sbyte] c"a > b = %d\0A\00"
+%ge_str  = internal constant [13 x sbyte] c"a >= b = %d\0A\00"
+%eq_str  = internal constant [13 x sbyte] c"a == b = %d\0A\00"
+%ne_str  = internal constant [13 x sbyte] c"a != b = %d\0A\00"
+;; logical
+%and_str = internal constant [12 x sbyte] c"a & b = %d\0A\00"
+%or_str  = internal constant [12 x sbyte] c"a | b = %d\0A\00"
+%xor_str = internal constant [12 x sbyte] c"a ^ b = %d\0A\00"
+%shl_str = internal constant [13 x sbyte] c"b << a = %d\0A\00"
+%shr_str = internal constant [13 x sbyte] c"b >> a = %d\0A\00"
+
+declare int %printf(sbyte*, ...)
+%A = global int 2
+%B = global int 5
+
+int %main() {  
+  ;; main vars
+  %a = load int* %A
+  %b = load int* %B
+
+  %a_s = getelementptr [8 x sbyte]* %a_str, long 0, long 0
+  %b_s = getelementptr [8 x sbyte]* %b_str, long 0, long 0
+  
+  call int (sbyte*, ...)* %printf(sbyte* %a_s, int %a)
+  call int (sbyte*, ...)* %printf(sbyte* %b_s, int %b)
+
+  ;; arithmetic
+  %add_r  = add int %a, %b
+  %sub_r  = sub int %a, %b
+  %mul_r  = mul int %a, %b
+  %div_r  = div int %b, %a
+  %rem_r  = rem int %b, %a
+
+  %add_s = getelementptr [12 x sbyte]* %add_str, long 0, long 0
+  %sub_s = getelementptr [12 x sbyte]* %sub_str, long 0, long 0
+  %mul_s = getelementptr [12 x sbyte]* %mul_str, long 0, long 0
+  %div_s = getelementptr [12 x sbyte]* %div_str, long 0, long 0
+  %rem_s = getelementptr [13 x sbyte]* %rem_str, long 0, long 0
+
+  call int (sbyte*, ...)* %printf(sbyte* %add_s, int %add_r)
+  call int (sbyte*, ...)* %printf(sbyte* %sub_s, int %sub_r)
+  call int (sbyte*, ...)* %printf(sbyte* %mul_s, int %mul_r)
+  call int (sbyte*, ...)* %printf(sbyte* %div_s, int %div_r)
+  call int (sbyte*, ...)* %printf(sbyte* %rem_s, int %rem_r)
+
+  ;; setcc
+  %lt_r = setlt int %a, %b
+  %le_r = setle int %a, %b
+  %gt_r = setgt int %a, %b 
+  %ge_r = setge int %a, %b
+  %eq_r = seteq int %a, %b
+  %ne_r = setne int %a, %b
+  
+  %lt_s = getelementptr [12 x sbyte]* %lt_str, long 0, long 0
+  %le_s = getelementptr [13 x sbyte]* %le_str, long 0, long 0
+  %gt_s = getelementptr [12 x sbyte]* %gt_str, long 0, long 0
+  %ge_s = getelementptr [13 x sbyte]* %ge_str, long 0, long 0
+  %eq_s = getelementptr [13 x sbyte]* %eq_str, long 0, long 0
+  %ne_s = getelementptr [13 x sbyte]* %ne_str, long 0, long 0
+
+  call int (sbyte*, ...)* %printf(sbyte* %lt_s, bool %lt_r)
+  call int (sbyte*, ...)* %printf(sbyte* %le_s, bool %le_r)
+  call int (sbyte*, ...)* %printf(sbyte* %gt_s, bool %gt_r)
+  call int (sbyte*, ...)* %printf(sbyte* %ge_s, bool %ge_r)
+  call int (sbyte*, ...)* %printf(sbyte* %eq_s, bool %eq_r)
+  call int (sbyte*, ...)* %printf(sbyte* %ne_s, bool %ne_r)
+
+  ;; logical
+  %and_r = and int %a, %b
+  %or_r  = or  int %a, %b
+  %xor_r = xor int %a, %b
+  %u = cast int %a to ubyte
+  %shl_r = shl int %b, ubyte %u
+  %shr_r = shr int %b, ubyte %u
+  
+  %and_s = getelementptr [12 x sbyte]* %and_str, long 0, long 0
+  %or_s  = getelementptr [12 x sbyte]* %or_str,  long 0, long 0
+  %xor_s = getelementptr [12 x sbyte]* %xor_str, long 0, long 0
+  %shl_s = getelementptr [13 x sbyte]* %shl_str, long 0, long 0
+  %shr_s = getelementptr [13 x sbyte]* %shr_str, long 0, long 0
+
+  call int (sbyte*, ...)* %printf(sbyte* %and_s, int %and_r)
+  call int (sbyte*, ...)* %printf(sbyte* %or_s,  int %or_r)
+  call int (sbyte*, ...)* %printf(sbyte* %xor_s, int %xor_r)
+  call int (sbyte*, ...)* %printf(sbyte* %shl_s, int %shl_r)
+  call int (sbyte*, ...)* %printf(sbyte* %shr_s, int %shr_r)
+
+  ret int 0
+}
diff --git a/test/CodeGen/Generic/print-int.ll b/test/CodeGen/Generic/print-int.ll
new file mode 100644
index 0000000000..ee7d3d1d5f
--- /dev/null
+++ b/test/CodeGen/Generic/print-int.ll
@@ -0,0 +1,11 @@
+%.str_1 = internal constant [4 x sbyte] c"%d\0A\00"
+
+declare int %printf(sbyte*, ...)
+
+int %main() {  
+  %f = getelementptr [4 x sbyte]* %.str_1, long 0, long 0
+  %d = add int 0, 0
+  %tmp.0 = call int (sbyte*, ...)* %printf(sbyte* %f, int %d)
+  ret int 0
+}
+
diff --git a/test/CodeGen/Generic/print-mul-exp.ll b/test/CodeGen/Generic/print-mul-exp.ll
new file mode 100644
index 0000000000..ea2882f9a3
--- /dev/null
+++ b/test/CodeGen/Generic/print-mul-exp.ll
@@ -0,0 +1,55 @@
+%a_str = internal constant [8 x sbyte] c"a = %d\0A\00"
+%a_mul_str = internal constant [13 x sbyte] c"a * %d = %d\0A\00"
+%A = global int 2
+declare int %printf(sbyte*, ...)
+
+int %main() {  
+  %a = load int* %A
+  %a_s = getelementptr [8 x sbyte]* %a_str, long 0, long 0
+  %a_mul_s = getelementptr [13 x sbyte]* %a_mul_str, long 0, long 0
+  call int (sbyte*, ...)* %printf(sbyte* %a_s, int %a)
+
+  %r_0 = mul int %a, 0
+  %r_1 = mul int %a, 1
+  %r_2 = mul int %a, 2
+  %r_3 = mul int %a, 3
+  %r_4 = mul int %a, 4
+  %r_5 = mul int %a, 5
+  %r_6 = mul int %a, 6
+  %r_7 = mul int %a, 7
+  %r_8 = mul int %a, 8
+  %r_9 = mul int %a, 9
+  %r_10 = mul int %a, 10
+  %r_11 = mul int %a, 11
+  %r_12 = mul int %a, 12
+  %r_13 = mul int %a, 13
+  %r_14 = mul int %a, 14
+  %r_15 = mul int %a, 15
+  %r_16 = mul int %a, 16
+  %r_17 = mul int %a, 17
+  %r_18 = mul int %a, 18
+  %r_19 = mul int %a, 19
+
+  call int (sbyte*, ...)* %printf(sbyte* %a_mul_s, int 0, int %r_0)
+  call int (sbyte*, ...)* %printf(sbyte* %a_mul_s, int 1, int %r_1)
+  call int (sbyte*, ...)* %printf(sbyte* %a_mul_s, int 2, int %r_2)
+  call int (sbyte*, ...)* %printf(sbyte* %a_mul_s, int 3, int %r_3)
+  call int (sbyte*, ...)* %printf(sbyte* %a_mul_s, int 4, int %r_4)
+  call int (sbyte*, ...)* %printf(sbyte* %a_mul_s, int 5, int %r_5)
+  call int (sbyte*, ...)* %printf(sbyte* %a_mul_s, int 6, int %r_6)
+  call int (sbyte*, ...)* %printf(sbyte* %a_mul_s, int 7, int %r_7)
+  call int (sbyte*, ...)* %printf(sbyte* %a_mul_s, int 8, int %r_8)
+  call int (sbyte*, ...)* %printf(sbyte* %a_mul_s, int 9, int %r_9)
+  call int (sbyte*, ...)* %printf(sbyte* %a_mul_s, int 10, int %r_10)
+  call int (sbyte*, ...)* %printf(sbyte* %a_mul_s, int 11, int %r_11)
+  call int (sbyte*, ...)* %printf(sbyte* %a_mul_s, int 12, int %r_12)
+  call int (sbyte*, ...)* %printf(sbyte* %a_mul_s, int 13, int %r_13)
+  call int (sbyte*, ...)* %printf(sbyte* %a_mul_s, int 14, int %r_14)
+  call int (sbyte*, ...)* %printf(sbyte* %a_mul_s, int 15, int %r_15)
+  call int (sbyte*, ...)* %printf(sbyte* %a_mul_s, int 16, int %r_16)
+  call int (sbyte*, ...)* %printf(sbyte* %a_mul_s, int 17, int %r_17)
+  call int (sbyte*, ...)* %printf(sbyte* %a_mul_s, int 18, int %r_18)
+  call int (sbyte*, ...)* %printf(sbyte* %a_mul_s, int 19, int %r_19)
+
+  ret int 0
+}
diff --git a/test/CodeGen/Generic/print-mul.ll b/test/CodeGen/Generic/print-mul.ll
new file mode 100644
index 0000000000..e406545f20
--- /dev/null
+++ b/test/CodeGen/Generic/print-mul.ll
@@ -0,0 +1,33 @@
+%a_str = internal constant [8 x sbyte] c"a = %d\0A\00"
+%b_str = internal constant [8 x sbyte] c"b = %d\0A\00"
+
+;; mul
+%a_mul_str = internal constant [13 x sbyte] c"a * %d = %d\0A\00"
+
+declare int %printf(sbyte*, ...)
+%A = global int 2
+%B = global int 5
+
+int %main() {  
+entry:
+  %a = load int* %A
+  %b = load int* %B
+  %a_s = getelementptr [8 x sbyte]* %a_str, long 0, long 0
+  %b_s = getelementptr [8 x sbyte]* %b_str, long 0, long 0
+  %a_mul_s = getelementptr [13 x sbyte]* %a_mul_str, long 0, long 0
+  call int (sbyte*, ...)* %printf(sbyte* %a_s, int %a)
+  call int (sbyte*, ...)* %printf(sbyte* %b_s, int %b)
+  br label %shl_test
+
+shl_test:
+  ;; test mul by 0-255
+  %s = phi int [ 0, %entry ], [ %s_inc, %shl_test ]
+  %result = mul int %a, %s
+  call int (sbyte*, ...)* %printf(sbyte* %a_mul_s, int %s, int %result)
+  %s_inc = add int %s, 1 
+  %done = seteq int %s, 256
+  br bool %done, label %fini, label %shl_test
+
+fini:
+  ret int 0
+}
diff --git a/test/CodeGen/Generic/print-shift.ll b/test/CodeGen/Generic/print-shift.ll
new file mode 100644
index 0000000000..71bbbd1350
--- /dev/null
+++ b/test/CodeGen/Generic/print-shift.ll
@@ -0,0 +1,33 @@
+%a_str = internal constant [8 x sbyte] c"a = %d\0A\00"
+%b_str = internal constant [8 x sbyte] c"b = %d\0A\00"
+
+;; shl
+%a_shl_str = internal constant [14 x sbyte] c"a << %d = %d\0A\00"
+
+declare int %printf(sbyte*, ...)
+%A = global int 2
+%B = global int 5
+
+int %main() {  
+entry:
+  %a = load int* %A
+  %b = load int* %B
+  %a_s = getelementptr [8 x sbyte]* %a_str, long 0, long 0
+  %b_s = getelementptr [8 x sbyte]* %b_str, long 0, long 0
+  %a_shl_s = getelementptr [14 x sbyte]* %a_shl_str, long 0, long 0
+  call int (sbyte*, ...)* %printf(sbyte* %a_s, int %a)
+  call int (sbyte*, ...)* %printf(sbyte* %b_s, int %b)
+  br label %shl_test
+
+shl_test:
+  ;; test left shifts 0-31
+  %s = phi ubyte [ 0, %entry ], [ %s_inc, %shl_test ]
+  %result = shl int %a, ubyte %s
+  call int (sbyte*, ...)* %printf(sbyte* %a_shl_s, ubyte %s, int %result)
+  %s_inc = add ubyte %s, 1 
+  %done = seteq ubyte %s, 32
+  br bool %done, label %fini, label %shl_test
+
+fini:
+  ret int 0
+}
diff --git a/test/CodeGen/Generic/print-vals.c b/test/CodeGen/Generic/print-vals.c
new file mode 100644
index 0000000000..452bcaf527
--- /dev/null
+++ b/test/CodeGen/Generic/print-vals.c
@@ -0,0 +1,7 @@
+void printf(char*, ...);
+
+int main() {
+  printf("%f, %d, %f, %d, %f\n", //, %d, %f, %d, %f, %d\n", 
+          1.0, 2, 3.0, 4, 5.0 /*, 6, 7.0, 8, 9.0, 10*/);
+  return 0;
+}
diff --git a/test/CodeGen/Generic/ret0.ll b/test/CodeGen/Generic/ret0.ll
new file mode 100644
index 0000000000..fc7086309f
--- /dev/null
+++ b/test/CodeGen/Generic/ret0.ll
@@ -0,0 +1,3 @@
+int %main() {  
+  ret int 0
+}
diff --git a/test/CodeGen/Generic/ret42.ll b/test/CodeGen/Generic/ret42.ll
new file mode 100644
index 0000000000..62890e4e75
--- /dev/null
+++ b/test/CodeGen/Generic/ret42.ll
@@ -0,0 +1,3 @@
+int %main() {  
+  ret int 42
+}
diff --git a/test/CodeGen/Generic/struct.c b/test/CodeGen/Generic/struct.c
new file mode 100644
index 0000000000..c4181bc250
--- /dev/null
+++ b/test/CodeGen/Generic/struct.c
@@ -0,0 +1,39 @@
+void printf(char*, ...);
+
+typedef struct params_ {
+  int     i1;
+  float   f1;
+  double  d1;
+  short   s1;
+  double  d2;
+  char    c1;
+  unsigned short  s2;
+  float   f2;
+  int     i2;
+} params;
+
+void print_param(params p) {
+  printf("%d,   %f,   %f,   %d,   %f,   %c,   %d,   %f,   %d\n",
+        p.i1, p.f1, p.d1, p.s1, p.d2, p.c1, p.s2, p.f2, p.i2);
+}
+
+void print_param_addr(params *p) {
+  printf("%d,   %f,   %f,   %d,   %f,   %c,   %d,   %f,   %d\n",
+        p->i1, p->f1, p->d1, p->s1, p->d2, p->c1, p->s2, p->f2, p->i2);
+}
+
+int main() {
+  params p;
+  p.i1 = 1;
+  p.f1 = 2.0;
+  p.d1 = 3.0;
+  p.s1 = 4;
+  p.d2 = 5.0;
+  p.c1 = '6';
+  p.s2 = 7;
+  p.f2 = 8.0;
+  p.i2 = 9;
+  print_param(p);
+  print_param_addr(&p);
+  return 0;
+}