target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32-S32"
target triple = "thumbv7-apple-ios6.0.0"
-define void @test_geps(i32 %i) {
- ; GEPs with index 0 are essentially NOOPs.
-;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i8, i8*
+define void @test_geps() {
+ ; Cost of scalar integer geps should be one. We can't always expect it to be
+ ; folded into the instruction addressing mode.
+;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds i8, i8*
%a0 = getelementptr inbounds i8, i8* undef, i32 0
-;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i16, i16*
+;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds i16, i16*
%a1 = getelementptr inbounds i16, i16* undef, i32 0
-;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i32, i32*
+;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds i32, i32*
%a2 = getelementptr inbounds i32, i32* undef, i32 0
-;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i64, i64*
+
+;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds i64, i64*
%a3 = getelementptr inbounds i64, i64* undef, i32 0
-;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds float, float*
+
+ ; Cost of scalar floating point geps should be one. We cannot fold the address
+ ; computation.
+;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds float, float*
%a4 = getelementptr inbounds float, float* undef, i32 0
-;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds double, double*
+;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds double, double*
%a5 = getelementptr inbounds double, double* undef, i32 0
-;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x i8>, <4 x i8>*
+
+
+ ; Cost of vector geps should be one. We cannot fold the address computation.
+;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds <4 x i8>, <4 x i8>*
%a7 = getelementptr inbounds <4 x i8>, <4 x i8>* undef, i32 0
-;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x i16>, <4 x i16>*
+;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds <4 x i16>, <4 x i16>*
%a8 = getelementptr inbounds <4 x i16>, <4 x i16>* undef, i32 0
-;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x i32>, <4 x i32>*
+;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds <4 x i32>, <4 x i32>*
%a9 = getelementptr inbounds <4 x i32>, <4 x i32>* undef, i32 0
-;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x i64>, <4 x i64>*
+;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds <4 x i64>, <4 x i64>*
%a10 = getelementptr inbounds <4 x i64>, <4 x i64>* undef, i32 0
-;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x float>, <4 x float>*
+;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds <4 x float>, <4 x float>*
%a11 = getelementptr inbounds <4 x float>, <4 x float>* undef, i32 0
-;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x double>, <4 x double>*
+;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds <4 x double>, <4 x double>*
%a12 = getelementptr inbounds <4 x double>, <4 x double>* undef, i32 0
- ; Cost of GEPs is one if we cannot fold the address computation.
-;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i8, i8*
- %b0 = getelementptr inbounds i8, i8* undef, i32 1024
-;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i16, i16*
- %b1 = getelementptr inbounds i16, i16* undef, i32 1024
- ; Thumb-2 cannot fold offset >= 2^12 into address computation.
-;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds i32, i32*
- %b2 = getelementptr inbounds i32, i32* undef, i32 1024
-;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds i64, i64*
- %b3 = getelementptr inbounds i64, i64* undef, i32 1024
-;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds float, float*
- %b4 = getelementptr inbounds float, float* undef, i32 1024
-;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds double, double*
- %b5 = getelementptr inbounds double, double* undef, i32 1024
-;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x i8>, <4 x i8>*
- %b7 = getelementptr inbounds <4 x i8>, <4 x i8>* undef, i32 1
-;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x i16>, <4 x i16>*
- %b8 = getelementptr inbounds <4 x i16>, <4 x i16>* undef, i32 1
-;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x i32>, <4 x i32>*
- %b9 = getelementptr inbounds <4 x i32>, <4 x i32>* undef, i32 1
-;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x i64>, <4 x i64>*
- %b10 = getelementptr inbounds <4 x i64>, <4 x i64>* undef, i32 1
-;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x float>, <4 x float>*
- %b11 = getelementptr inbounds <4 x float>, <4 x float>* undef, i32 1
-;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x double>, <4 x double>*
- %b12 = getelementptr inbounds <4 x double>, <4 x double>* undef, i32 1
-
-;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i8, i8*
- %c0 = getelementptr inbounds i8, i8* undef, i32 %i
-;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i16, i16*
- %c1 = getelementptr inbounds i16, i16* undef, i32 %i
-;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i32, i32*
- %c2 = getelementptr inbounds i32, i32* undef, i32 %i
-;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i64, i64*
- %c3 = getelementptr inbounds i64, i64* undef, i32 %i
-;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds float, float*
- %c4 = getelementptr inbounds float, float* undef, i32 %i
-;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds double, double*
- %c5 = getelementptr inbounds double, double* undef, i32 %i
-;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x i8>, <4 x i8>*
- %c7 = getelementptr inbounds <4 x i8>, <4 x i8>* undef, i32 %i
-;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x i16>, <4 x i16>*
- %c8 = getelementptr inbounds <4 x i16>, <4 x i16>* undef, i32 %i
- ; Thumb-2 cannot fold scales larger than 8 to address computation.
-;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds <4 x i32>, <4 x i32>*
- %c9 = getelementptr inbounds <4 x i32>, <4 x i32>* undef, i32 %i
-;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds <4 x i64>, <4 x i64>*
- %c10 = getelementptr inbounds <4 x i64>, <4 x i64>* undef, i32 %i
-;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds <4 x float>, <4 x float>*
- %c11 = getelementptr inbounds <4 x float>, <4 x float>* undef, i32 %i
-;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds <4 x double>, <4 x double>*
- %c12 = getelementptr inbounds <4 x double>, <4 x double>* undef, i32 %i
ret void
}