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-rw-r--r--test/Analysis/CostModel/X86/arith.ll32
-rw-r--r--test/Analysis/CostModel/X86/intrinsic-cost.ll32
2 files changed, 64 insertions, 0 deletions
diff --git a/test/Analysis/CostModel/X86/arith.ll b/test/Analysis/CostModel/X86/arith.ll
index ae78d44..f0521ba 100644
--- a/test/Analysis/CostModel/X86/arith.ll
+++ b/test/Analysis/CostModel/X86/arith.ll
@@ -1,4 +1,6 @@
; RUN: opt < %s -cost-model -analyze -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s
+; RUN: opt < %s -cost-model -analyze -mtriple=x86_64-apple-macosx10.8.0 -mcpu=core2 | FileCheck %s --check-prefix=SSE3
+; RUN: opt < %s -cost-model -analyze -mtriple=x86_64-apple-macosx10.8.0 -mcpu=core-avx2 | FileCheck %s --check-prefix=AVX2
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.8.0"
@@ -32,7 +34,37 @@ define i32 @xor(i32 %arg) {
ret i32 undef
}
+; CHECK: mul
+define void @mul() {
+ ; A <2 x i32> gets expanded to a <2 x i64> vector.
+ ; A <2 x i64> vector multiply is implemented using
+ ; 3 PMULUDQ and 2 PADDS and 4 shifts.
+ ;CHECK: cost of 9 {{.*}} mul
+ %A0 = mul <2 x i32> undef, undef
+ ;CHECK: cost of 9 {{.*}} mul
+ %A1 = mul <2 x i64> undef, undef
+ ;CHECK: cost of 18 {{.*}} mul
+ %A2 = mul <4 x i64> undef, undef
+ ret void
+}
+
+; SSE3: sse3mull
+define void @sse3mull() {
+ ; SSE3: cost of 6 {{.*}} mul
+ %A0 = mul <4 x i32> undef, undef
+ ret void
+ ; SSE3: avx2mull
+}
+
+; AVX2: avx2mull
+define void @avx2mull() {
+ ; AVX2: cost of 9 {{.*}} mul
+ %A0 = mul <4 x i64> undef, undef
+ ret void
+ ; AVX2: fmul
+}
+; CHECK: fmul
define i32 @fmul(i32 %arg) {
;CHECK: cost of 1 {{.*}} fmul
%A = fmul <4 x float> undef, undef
diff --git a/test/Analysis/CostModel/X86/intrinsic-cost.ll b/test/Analysis/CostModel/X86/intrinsic-cost.ll
new file mode 100644
index 0000000..e235a36
--- /dev/null
+++ b/test/Analysis/CostModel/X86/intrinsic-cost.ll
@@ -0,0 +1,32 @@
+; RUN: opt -S -mtriple=x86_64-apple-darwin -mcpu=core2 -cost-model -analyze < %s | FileCheck %s -check-prefix=CORE2
+; RUN: opt -S -mtriple=x86_64-apple-darwin -mcpu=corei7 -cost-model -analyze < %s | FileCheck %s -check-prefix=COREI7
+
+; If SSE4.1 roundps instruction is available it is cheap to lower, otherwise
+; it'll be scalarized into calls which are expensive.
+define void @test1(float* nocapture %f) nounwind {
+vector.ph:
+ br label %vector.body
+
+vector.body: ; preds = %vector.body, %vector.ph
+ %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
+ %0 = getelementptr inbounds float* %f, i64 %index
+ %1 = bitcast float* %0 to <4 x float>*
+ %wide.load = load <4 x float>* %1, align 4
+ %2 = call <4 x float> @llvm.ceil.v4f32(<4 x float> %wide.load)
+ store <4 x float> %2, <4 x float>* %1, align 4
+ %index.next = add i64 %index, 4
+ %3 = icmp eq i64 %index.next, 1024
+ br i1 %3, label %for.end, label %vector.body
+
+for.end: ; preds = %vector.body
+ ret void
+
+; CORE2: Printing analysis 'Cost Model Analysis' for function 'test1':
+; CORE2: Cost Model: Found an estimated cost of 400 for instruction: %2 = call <4 x float> @llvm.ceil.v4f32(<4 x float> %wide.load)
+
+; COREI7: Printing analysis 'Cost Model Analysis' for function 'test1':
+; COREI7: Cost Model: Found an estimated cost of 1 for instruction: %2 = call <4 x float> @llvm.ceil.v4f32(<4 x float> %wide.load)
+
+}
+
+declare <4 x float> @llvm.ceil.v4f32(<4 x float>) nounwind readnone