Imported Upstream version 6.0.0.172

Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd

external/llvm/test/Analysis/CostModel/X86/costmodel.ll

@@ -0,0 +1,55 @@
+; RUN: opt < %s -cost-model -cost-kind=latency -analyze -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7 | FileCheck %s --check-prefix=LATENCY
+; RUN: opt < %s -cost-model -cost-kind=code-size -analyze -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7 | FileCheck %s --check-prefix=CODESIZE
+
+; Tests if the interface TargetTransformInfo::getInstructionCost() works correctly.
+
+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"
+
+declare { i32, i1 } @llvm.uadd.with.overflow.i32(i32, i32)
+
+define i64 @foo(i64 %arg) {
+
+  ; LATENCY:  cost of 0 {{.*}} alloca i32
+  ; CODESIZE: cost of 0 {{.*}} alloca i32
+  %A1 = alloca i32, align 8
+
+  ; LATENCY:  cost of 1 {{.*}} alloca i64, i64 undef
+  ; CODESIZE: cost of 1 {{.*}} alloca i64, i64 undef
+  %A2 = alloca i64, i64 undef, align 8
+
+  ; LATENCY:  cost of 1 {{.*}} %I64 = add
+  ; CODESIZE: cost of 1 {{.*}} %I64 = add
+  %I64 = add i64 undef, undef
+
+  ; LATENCY:  cost of 4 {{.*}} load
+  ; CODESIZE: cost of 1 {{.*}} load
+  load i64, i64* undef, align 4
+
+  ; LATENCY:  cost of 0 {{.*}} bitcast
+  ; CODESIZE: cost of 0 {{.*}} bitcast
+  %BC = bitcast i8* undef to i32*
+
+  ; LATENCY:  cost of 0 {{.*}} inttoptr
+  ; CODESIZE: cost of 0 {{.*}} inttoptr
+  %I2P = inttoptr i64 undef to i8*
+
+  ; LATENCY:  cost of 0 {{.*}} ptrtoint
+  ; CODESIZE: cost of 0 {{.*}} ptrtoint
+  %P2I = ptrtoint i8* undef to i64
+
+  ; LATENCY:  cost of 0 {{.*}} trunc
+  ; CODESIZE: cost of 0 {{.*}} trunc
+  %TC = trunc i64 undef to i32
+
+  ; LATENCY:  cost of 1 {{.*}} call
+  ; CODESIZE: cost of 1 {{.*}} call
+  %uadd = call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 undef, i32 undef)
+
+  ; LATENCY:  cost of 40 {{.*}} call void undef
+  ; CODESIZE: cost of 1 {{.*}} call void undef
+  call void undef()
+
+  ; LATENCY:  cost of 1 {{.*}} ret
+  ; CODESIZE: cost of 1 {{.*}} ret
+  ret i64 undef
+}