Imported Upstream version 5.18.0.246

Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833

external/llvm/test/CodeGen/X86/fast-isel-constpool.ll

@@ -0,0 +1,66 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=x86_64-apple-darwin -fast-isel -code-model=small < %s | FileCheck %s
+; RUN: llc -mtriple=x86_64-apple-darwin -fast-isel -code-model=large < %s | FileCheck %s --check-prefix=LARGE
+; RUN: llc -mtriple=x86_64-apple-darwin -fast-isel -code-model=small -mattr=avx < %s | FileCheck %s --check-prefix=AVX
+; RUN: llc -mtriple=x86_64-apple-darwin -fast-isel -code-model=large -mattr=avx < %s | FileCheck %s --check-prefix=LARGE_AVX
+; RUN: llc -mtriple=x86_64-apple-darwin -fast-isel -code-model=small -mattr=avx512f < %s | FileCheck %s --check-prefix=AVX
+; RUN: llc -mtriple=x86_64-apple-darwin -fast-isel -code-model=large -mattr=avx512f < %s | FileCheck %s --check-prefix=LARGE_AVX
+
+; Make sure fast isel uses rip-relative addressing for the small code model.
+define float @constpool_float(float %x) {
+; CHECK-LABEL: constpool_float:
+; CHECK:       ## %bb.0:
+; CHECK-NEXT:    movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; CHECK-NEXT:    addss %xmm1, %xmm0
+; CHECK-NEXT:    retq
+;
+; LARGE-LABEL: constpool_float:
+; LARGE:       ## %bb.0:
+; LARGE-NEXT:    movabsq $LCPI0_0, %rax
+; LARGE-NEXT:    addss (%rax), %xmm0
+; LARGE-NEXT:    retq
+;
+; AVX-LABEL: constpool_float:
+; AVX:       ## %bb.0:
+; AVX-NEXT:    vmovss {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; AVX-NEXT:    vaddss %xmm1, %xmm0, %xmm0
+; AVX-NEXT:    retq
+;
+; LARGE_AVX-LABEL: constpool_float:
+; LARGE_AVX:       ## %bb.0:
+; LARGE_AVX-NEXT:    movabsq $LCPI0_0, %rax
+; LARGE_AVX-NEXT:    vaddss (%rax), %xmm0, %xmm0
+; LARGE_AVX-NEXT:    retq
+
+  %1 = fadd float %x, 16.50e+01
+  ret float %1
+}
+
+define double @constpool_double(double %x) nounwind {
+; CHECK-LABEL: constpool_double:
+; CHECK:       ## %bb.0:
+; CHECK-NEXT:    movsd {{.*#+}} xmm1 = mem[0],zero
+; CHECK-NEXT:    addsd %xmm1, %xmm0
+; CHECK-NEXT:    retq
+;
+; LARGE-LABEL: constpool_double:
+; LARGE:       ## %bb.0:
+; LARGE-NEXT:    movabsq $LCPI1_0, %rax
+; LARGE-NEXT:    addsd (%rax), %xmm0
+; LARGE-NEXT:    retq
+;
+; AVX-LABEL: constpool_double:
+; AVX:       ## %bb.0:
+; AVX-NEXT:    vmovsd {{.*#+}} xmm1 = mem[0],zero
+; AVX-NEXT:    vaddsd %xmm1, %xmm0, %xmm0
+; AVX-NEXT:    retq
+;
+; LARGE_AVX-LABEL: constpool_double:
+; LARGE_AVX:       ## %bb.0:
+; LARGE_AVX-NEXT:    movabsq $LCPI1_0, %rax
+; LARGE_AVX-NEXT:    vaddsd (%rax), %xmm0, %xmm0
+; LARGE_AVX-NEXT:    retq
+
+  %1 = fadd double %x, 8.500000e-01
+  ret double %1
+}