X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=blobdiff_plain;f=test%2FTransforms%2FStraightLineStrengthReduce%2Fslsr-mul.ll;h=1c7333dab9feee7b9c713ec212e9878729a30475;hp=471a3685e51f41fd8216e769404b81e38343050d;hb=9b8a9f1a9c4119ff7bd33e6d831f986a1cd21e7f;hpb=70a987303a2c04a4373d2c46ee30c88958aa9fcb

diff --git a/test/Transforms/StraightLineStrengthReduce/slsr-mul.ll b/test/Transforms/StraightLineStrengthReduce/slsr-mul.ll
index 471a3685e51..1c7333dab9f 100644
--- a/test/Transforms/StraightLineStrengthReduce/slsr-mul.ll
+++ b/test/Transforms/StraightLineStrengthReduce/slsr-mul.ll
@@ -2,37 +2,32 @@
 
 target datalayout = "e-i64:64-v16:16-v32:32-n16:32:64"
 
-declare i32 @foo(i32 %a)
-
-define i32 @slsr1(i32 %b, i32 %s) {
+define void @slsr1(i32 %b, i32 %s) {
 ; CHECK-LABEL: @slsr1(
-  ; v0 = foo(b * s);
+  ; foo(b * s);
   %mul0 = mul i32 %b, %s
 ; CHECK: mul i32
 ; CHECK-NOT: mul i32
-  %v0 = call i32 @foo(i32 %mul0)
+  call void @foo(i32 %mul0)
 
-  ; v1 = foo((b + 1) * s);
+  ; foo((b + 1) * s);
   %b1 = add i32 %b, 1
   %mul1 = mul i32 %b1, %s
-  %v1 = call i32 @foo(i32 %mul1)
+  call void @foo(i32 %mul1)
 
-  ; v2 = foo((b + 2) * s);
+  ; foo((b + 2) * s);
   %b2 = add i32 %b, 2
   %mul2 = mul i32 %b2, %s
-  %v2 = call i32 @foo(i32 %mul2)
+  call void @foo(i32 %mul2)
 
-  ; return v0 + v1 + v2;
-  %1 = add i32 %v0, %v1
-  %2 = add i32 %1, %v2
-  ret i32 %2
+  ret void
 }
 
-; v0 = foo(a * b)
-; v1 = foo((a + 1) * b)
-; v2 = foo(a * (b + 1))
-; v3 = foo((a + 1) * (b + 1))
-define i32 @slsr2(i32 %a, i32 %b) {
+; foo(a * b)
+; foo((a + 1) * b)
+; foo(a * (b + 1))
+; foo((a + 1) * (b + 1))
+define void @slsr2(i32 %a, i32 %b) {
 ; CHECK-LABEL: @slsr2(
   %a1 = add i32 %a, 1
   %b1 = add i32 %b, 1
@@ -43,63 +38,50 @@ define i32 @slsr2(i32 %a, i32 %b) {
   %mul2 = mul i32 %a, %b1
   %mul3 = mul i32 %a1, %b1
 
-  %v0 = call i32 @foo(i32 %mul0)
-  %v1 = call i32 @foo(i32 %mul1)
-  %v2 = call i32 @foo(i32 %mul2)
-  %v3 = call i32 @foo(i32 %mul3)
+  call void @foo(i32 %mul0)
+  call void @foo(i32 %mul1)
+  call void @foo(i32 %mul2)
+  call void @foo(i32 %mul3)
 
-  %1 = add i32 %v0, %v1
-  %2 = add i32 %1, %v2
-  %3 = add i32 %2, %v3
-  ret i32 %3
+  ret void
 }
 
 ; The bump is a multiple of the stride.
 ;
-; v0 = foo(b * s);
-; v1 = foo((b + 2) * s);
-; v2 = foo((b + 4) * s);
-; return v0 + v1 + v2;
-;
-; ==>
-;
+; foo(b * s);
+; foo((b + 2) * s);
+; foo((b + 4) * s);
+;   =>
 ; mul0 = b * s;
-; v0 = foo(mul0);
 ; bump = s * 2;
 ; mul1 = mul0 + bump; // GVN ensures mul1 and mul2 use the same bump.
-; v1 = foo(mul1);
 ; mul2 = mul1 + bump;
-; v2 = foo(mul2);
-; return v0 + v1 + v2;
-define i32 @slsr3(i32 %b, i32 %s) {
+define void @slsr3(i32 %b, i32 %s) {
 ; CHECK-LABEL: @slsr3(
   %mul0 = mul i32 %b, %s
 ; CHECK: mul i32
-  %v0 = call i32 @foo(i32 %mul0)
+  call void @foo(i32 %mul0)
 
   %b1 = add i32 %b, 2
   %mul1 = mul i32 %b1, %s
 ; CHECK: [[BUMP:%[a-zA-Z0-9]+]] = shl i32 %s, 1
 ; CHECK: %mul1 = add i32 %mul0, [[BUMP]]
-  %v1 = call i32 @foo(i32 %mul1)
+  call void @foo(i32 %mul1)
 
   %b2 = add i32 %b, 4
   %mul2 = mul i32 %b2, %s
 ; CHECK: %mul2 = add i32 %mul1, [[BUMP]]
-  %v2 = call i32 @foo(i32 %mul2)
+  call void @foo(i32 %mul2)
 
-  %1 = add i32 %v0, %v1
-  %2 = add i32 %1, %v2
-  ret i32 %2
+  ret void
 }
 
 ; Do not rewrite a candidate if its potential basis does not dominate it.
-; v0 = 0;
+;
 ; if (cond)
-;   v0 = foo(a * b);
-; v1 = foo((a + 1) * b);
-; return v0 + v1;
-define i32 @not_dominate(i1 %cond, i32 %a, i32 %b) {
+;   foo(a * b);
+; foo((a + 1) * b);
+define void @not_dominate(i1 %cond, i32 %a, i32 %b) {
 ; CHECK-LABEL: @not_dominate(
 entry:
   %a1 = add i32 %a, 1
@@ -108,14 +90,14 @@ entry:
 then:
   %mul0 = mul i32 %a, %b
 ; CHECK: %mul0 = mul i32 %a, %b
-  %v0 = call i32 @foo(i32 %mul0)
+  call void @foo(i32 %mul0)
   br label %merge
 
 merge:
-  %v0.phi = phi i32 [ 0, %entry ], [ %mul0, %then ]
   %mul1 = mul i32 %a1, %b
 ; CHECK: %mul1 = mul i32 %a1, %b
-  %v1 = call i32 @foo(i32 %mul1)
-  %sum = add i32 %v0.phi, %v1
-  ret i32 %sum
+  call void @foo(i32 %mul1)
+  ret void
 }
+
+declare void @foo(i32)