Imported Upstream version 5.18.0.234

Former-commit-id: 8071ec1a8c5eaa9be24b41745add19297608001f

external/llvm/test/CodeGen/NVPTX/sqrt-approx.ll

@@ -1,150 +0,0 @@
-; RUN: llc < %s -march=nvptx -mcpu=sm_20 -nvptx-prec-divf32=0 -nvptx-prec-sqrtf32=0 \
-; RUN:   | FileCheck %s
-
-target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v16:16:16-v32:32:32-v64:64:64-v128:128:128-n16:32:64"
-
-declare float @llvm.sqrt.f32(float)
-declare double @llvm.sqrt.f64(double)
-
-; -- reciprocal sqrt --
-
-; CHECK-LABEL test_rsqrt32
-define float @test_rsqrt32(float %a) #0 {
-; CHECK: rsqrt.approx.f32
-  %val = tail call float @llvm.sqrt.f32(float %a)
-  %ret = fdiv float 1.0, %val
-  ret float %ret
-}
-
-; CHECK-LABEL test_rsqrt_ftz
-define float @test_rsqrt_ftz(float %a) #0 #1 {
-; CHECK: rsqrt.approx.ftz.f32
-  %val = tail call float @llvm.sqrt.f32(float %a)
-  %ret = fdiv float 1.0, %val
-  ret float %ret
-}
-
-; CHECK-LABEL test_rsqrt64
-define double @test_rsqrt64(double %a) #0 {
-; CHECK: rsqrt.approx.f64
-  %val = tail call double @llvm.sqrt.f64(double %a)
-  %ret = fdiv double 1.0, %val
-  ret double %ret
-}
-
-; CHECK-LABEL test_rsqrt64_ftz
-define double @test_rsqrt64_ftz(double %a) #0 #1 {
-; There's no rsqrt.approx.ftz.f64 instruction; we just use the non-ftz version.
-; CHECK: rsqrt.approx.f64
-  %val = tail call double @llvm.sqrt.f64(double %a)
-  %ret = fdiv double 1.0, %val
-  ret double %ret
-}
-
-; -- sqrt --
-
-; CHECK-LABEL test_sqrt32
-define float @test_sqrt32(float %a) #0 {
-; CHECK: sqrt.approx.f32
-  %ret = tail call float @llvm.sqrt.f32(float %a)
-  ret float %ret
-}
-
-; CHECK-LABEL test_sqrt_ftz
-define float @test_sqrt_ftz(float %a) #0 #1 {
-; CHECK: sqrt.approx.ftz.f32
-  %ret = tail call float @llvm.sqrt.f32(float %a)
-  ret float %ret
-}
-
-; CHECK-LABEL test_sqrt64
-define double @test_sqrt64(double %a) #0 {
-; There's no sqrt.approx.f64 instruction; we emit
-; reciprocal(rsqrt.approx.f64(x)).  There's no non-ftz approximate reciprocal,
-; so we just use the ftz version.
-; CHECK: rsqrt.approx.f64
-; CHECK: rcp.approx.ftz.f64
-  %ret = tail call double @llvm.sqrt.f64(double %a)
-  ret double %ret
-}
-
-; CHECK-LABEL test_sqrt64_ftz
-define double @test_sqrt64_ftz(double %a) #0 #1 {
-; There's no sqrt.approx.ftz.f64 instruction; we just use the non-ftz version.
-; CHECK: rsqrt.approx.f64
-; CHECK: rcp.approx.ftz.f64
-  %ret = tail call double @llvm.sqrt.f64(double %a)
-  ret double %ret
-}
-
-; -- refined sqrt and rsqrt --
-;
-; The sqrt and rsqrt refinement algorithms both emit an rsqrt.approx, followed
-; by some math.
-
-; CHECK-LABEL: test_rsqrt32_refined
-define float @test_rsqrt32_refined(float %a) #0 #2 {
-; CHECK: rsqrt.approx.f32
-  %val = tail call float @llvm.sqrt.f32(float %a)
-  %ret = fdiv float 1.0, %val
-  ret float %ret
-}
-
-; CHECK-LABEL: test_sqrt32_refined
-define float @test_sqrt32_refined(float %a) #0 #2 {
-; CHECK: rsqrt.approx.f32
-  %ret = tail call float @llvm.sqrt.f32(float %a)
-  ret float %ret
-}
-
-; CHECK-LABEL: test_rsqrt64_refined
-define double @test_rsqrt64_refined(double %a) #0 #2 {
-; CHECK: rsqrt.approx.f64
-  %val = tail call double @llvm.sqrt.f64(double %a)
-  %ret = fdiv double 1.0, %val
-  ret double %ret
-}
-
-; CHECK-LABEL: test_sqrt64_refined
-define double @test_sqrt64_refined(double %a) #0 #2 {
-; CHECK: rsqrt.approx.f64
-  %ret = tail call double @llvm.sqrt.f64(double %a)
-  ret double %ret
-}
-
-; -- refined sqrt and rsqrt with ftz enabled --
-
-; CHECK-LABEL: test_rsqrt32_refined_ftz
-define float @test_rsqrt32_refined_ftz(float %a) #0 #1 #2 {
-; CHECK: rsqrt.approx.ftz.f32
-  %val = tail call float @llvm.sqrt.f32(float %a)
-  %ret = fdiv float 1.0, %val
-  ret float %ret
-}
-
-; CHECK-LABEL: test_sqrt32_refined_ftz
-define float @test_sqrt32_refined_ftz(float %a) #0 #1 #2 {
-; CHECK: rsqrt.approx.ftz.f32
-  %ret = tail call float @llvm.sqrt.f32(float %a)
-  ret float %ret
-}
-
-; CHECK-LABEL: test_rsqrt64_refined_ftz
-define double @test_rsqrt64_refined_ftz(double %a) #0 #1 #2 {
-; There's no rsqrt.approx.ftz.f64, so we just use the non-ftz version.
-; CHECK: rsqrt.approx.f64
-  %val = tail call double @llvm.sqrt.f64(double %a)
-  %ret = fdiv double 1.0, %val
-  ret double %ret
-}
-
-; CHECK-LABEL: test_sqrt64_refined_ftz
-define double @test_sqrt64_refined_ftz(double %a) #0 #1 #2 {
-; CHECK: rsqrt.approx.f64
-  %ret = tail call double @llvm.sqrt.f64(double %a)
-  ret double %ret
-}
-
-attributes #0 = { "unsafe-fp-math" = "true" }
-attributes #1 = { "nvptx-f32ftz" = "true" }
-attributes #2 = { "reciprocal-estimates" = "rsqrtf:1,rsqrtd:1,sqrtf:1,sqrtd:1" }