From d6f221869c1d1bf11cd2111efd368077684c6657 Mon Sep 17 00:00:00 2001
From: Matt Arsenault <Matthew.Arsenault@amd.com>
Date: Sat, 8 Apr 2023 18:37:16 -0400
Subject: [PATCH] ValueTracking: Add baseline test for fmul computeKnownFPClass
 handling

---
 .../Transforms/Attributor/nofpclass-nan-fmul.ll    | 172 +++++++++++++++++++++
 1 file changed, 172 insertions(+)
 create mode 100644 llvm/test/Transforms/Attributor/nofpclass-nan-fmul.ll

diff --git a/llvm/test/Transforms/Attributor/nofpclass-nan-fmul.ll b/llvm/test/Transforms/Attributor/nofpclass-nan-fmul.ll
new file mode 100644
index 0000000..a129c7b
--- /dev/null
+++ b/llvm/test/Transforms/Attributor/nofpclass-nan-fmul.ll
@@ -0,0 +1,172 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
+; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -S < %s | FileCheck %s --check-prefixes=CHECK,TUNIT
+
+define float @ret_fmul_ieee_nonan__nonan(float nofpclass(nan) %arg0, float nofpclass(nan) %arg1) #0 {
+; CHECK-LABEL: define float @ret_fmul_ieee_nonan__nonan
+; CHECK-SAME: (float nofpclass(nan) [[ARG0:%.*]], float nofpclass(nan) [[ARG1:%.*]]) #[[ATTR0:[0-9]+]] {
+; CHECK-NEXT:    [[FMUL:%.*]] = fmul float [[ARG0]], [[ARG1]]
+; CHECK-NEXT:    ret float [[FMUL]]
+;
+  %fmul = fmul float %arg0, %arg1
+  ret float %fmul
+}
+
+define float @ret_fmul_ieee_nonan_nozero__nonan_nozero(float nofpclass(nan zero) %arg0, float nofpclass(nan zero) %arg1) #0 {
+; CHECK-LABEL: define float @ret_fmul_ieee_nonan_nozero__nonan_nozero
+; CHECK-SAME: (float nofpclass(nan zero) [[ARG0:%.*]], float nofpclass(nan zero) [[ARG1:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[FMUL:%.*]] = fmul float [[ARG0]], [[ARG1]]
+; CHECK-NEXT:    ret float [[FMUL]]
+;
+  %fmul = fmul float %arg0, %arg1
+  ret float %fmul
+}
+
+define float @ret_fmul_daz_nonan_nozero__nonan_nozero(float nofpclass(nan zero) %arg0, float nofpclass(nan zero) %arg1) #1 {
+; CHECK-LABEL: define float @ret_fmul_daz_nonan_nozero__nonan_nozero
+; CHECK-SAME: (float nofpclass(nan zero) [[ARG0:%.*]], float nofpclass(nan zero) [[ARG1:%.*]]) #[[ATTR1:[0-9]+]] {
+; CHECK-NEXT:    [[FMUL:%.*]] = fmul float [[ARG0]], [[ARG1]]
+; CHECK-NEXT:    ret float [[FMUL]]
+;
+  %fmul = fmul float %arg0, %arg1
+  ret float %fmul
+}
+
+define float @ret_fmul_dapz_nonan_nozero__nonan_nozero(float nofpclass(nan zero) %arg0, float nofpclass(nan zero) %arg1) #2 {
+; CHECK-LABEL: define float @ret_fmul_dapz_nonan_nozero__nonan_nozero
+; CHECK-SAME: (float nofpclass(nan zero) [[ARG0:%.*]], float nofpclass(nan zero) [[ARG1:%.*]]) #[[ATTR2:[0-9]+]] {
+; CHECK-NEXT:    [[FMUL:%.*]] = fmul float [[ARG0]], [[ARG1]]
+; CHECK-NEXT:    ret float [[FMUL]]
+;
+  %fmul = fmul float %arg0, %arg1
+  ret float %fmul
+}
+
+define float @ret_fmul_dynamic_nonan_nozero__nonan_nozero(float nofpclass(nan zero) %arg0, float nofpclass(nan zero) %arg1) #3 {
+; CHECK-LABEL: define float @ret_fmul_dynamic_nonan_nozero__nonan_nozero
+; CHECK-SAME: (float nofpclass(nan zero) [[ARG0:%.*]], float nofpclass(nan zero) [[ARG1:%.*]]) #[[ATTR3:[0-9]+]] {
+; CHECK-NEXT:    [[FMUL:%.*]] = fmul float [[ARG0]], [[ARG1]]
+; CHECK-NEXT:    ret float [[FMUL]]
+;
+  %fmul = fmul float %arg0, %arg1
+  ret float %fmul
+}
+
+define float @ret_fmul_ieee_nonan_noinf__nonan_noinf(float nofpclass(nan inf) %arg0, float nofpclass(nan inf) %arg1) #0 {
+; CHECK-LABEL: define float @ret_fmul_ieee_nonan_noinf__nonan_noinf
+; CHECK-SAME: (float nofpclass(nan inf) [[ARG0:%.*]], float nofpclass(nan inf) [[ARG1:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[FMUL:%.*]] = fmul float [[ARG0]], [[ARG1]]
+; CHECK-NEXT:    ret float [[FMUL]]
+;
+  %fmul = fmul float %arg0, %arg1
+  ret float %fmul
+}
+
+define float @ret_fmul_ieee_nonan_nozero__nonan_noinf(float nofpclass(nan zero) %arg0, float nofpclass(nan inf) %arg1) #0 {
+; CHECK-LABEL: define float @ret_fmul_ieee_nonan_nozero__nonan_noinf
+; CHECK-SAME: (float nofpclass(nan zero) [[ARG0:%.*]], float nofpclass(nan inf) [[ARG1:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[FMUL:%.*]] = fmul float [[ARG0]], [[ARG1]]
+; CHECK-NEXT:    ret float [[FMUL]]
+;
+  %fmul = fmul float %arg0, %arg1
+  ret float %fmul
+}
+
+define float @ret_fmul_ieee_nonan_noinf__nonan_nozero(float nofpclass(nan inf) %arg0, float nofpclass(nan zero) %arg1) #0 {
+; CHECK-LABEL: define float @ret_fmul_ieee_nonan_noinf__nonan_nozero
+; CHECK-SAME: (float nofpclass(nan inf) [[ARG0:%.*]], float nofpclass(nan zero) [[ARG1:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[FMUL:%.*]] = fmul float [[ARG0]], [[ARG1]]
+; CHECK-NEXT:    ret float [[FMUL]]
+;
+  %fmul = fmul float %arg0, %arg1
+  ret float %fmul
+}
+
+define float @ret_fmul_ieee_nonan_noinf__nonan_noposzero(float nofpclass(nan inf) %arg0, float nofpclass(nan pzero) %arg1) #0 {
+; CHECK-LABEL: define float @ret_fmul_ieee_nonan_noinf__nonan_noposzero
+; CHECK-SAME: (float nofpclass(nan inf) [[ARG0:%.*]], float nofpclass(nan pzero) [[ARG1:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[FMUL:%.*]] = fmul float [[ARG0]], [[ARG1]]
+; CHECK-NEXT:    ret float [[FMUL]]
+;
+  %fmul = fmul float %arg0, %arg1
+  ret float %fmul
+}
+
+define float @ret_fmul_ieee_nonan_noposzero__nonan_noinf(float nofpclass(nan pzero) %arg0, float nofpclass(nan inf) %arg1) #0 {
+; CHECK-LABEL: define float @ret_fmul_ieee_nonan_noposzero__nonan_noinf
+; CHECK-SAME: (float nofpclass(nan pzero) [[ARG0:%.*]], float nofpclass(nan inf) [[ARG1:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[FMUL:%.*]] = fmul float [[ARG0]], [[ARG1]]
+; CHECK-NEXT:    ret float [[FMUL]]
+;
+  %fmul = fmul float %arg0, %arg1
+  ret float %fmul
+}
+
+define float @ret_fmul_ieee_nonan_nozero_nosub__nonan_nozero_nosub(float nofpclass(nan zero sub) %arg0, float nofpclass(nan zero sub) %arg1) #0 {
+; CHECK-LABEL: define float @ret_fmul_ieee_nonan_nozero_nosub__nonan_nozero_nosub
+; CHECK-SAME: (float nofpclass(nan zero sub) [[ARG0:%.*]], float nofpclass(nan zero sub) [[ARG1:%.*]]) #[[ATTR0]] {
+; CHECK-NEXT:    [[FMUL:%.*]] = fmul float [[ARG0]], [[ARG1]]
+; CHECK-NEXT:    ret float [[FMUL]]
+;
+  %fmul = fmul float %arg0, %arg1
+  ret float %fmul
+}
+
+; Denormal mode doesn't matter because sources are nofpclass(sub)
+define float @ret_fmul_daz_nonan_nozero_nosub__nonan_nozero_nosub(float nofpclass(nan zero sub) %arg0, float nofpclass(nan zero sub) %arg1) #1 {
+; CHECK-LABEL: define float @ret_fmul_daz_nonan_nozero_nosub__nonan_nozero_nosub
+; CHECK-SAME: (float nofpclass(nan zero sub) [[ARG0:%.*]], float nofpclass(nan zero sub) [[ARG1:%.*]]) #[[ATTR1]] {
+; CHECK-NEXT:    [[FMUL:%.*]] = fmul float [[ARG0]], [[ARG1]]
+; CHECK-NEXT:    ret float [[FMUL]]
+;
+  %fmul = fmul float %arg0, %arg1
+  ret float %fmul
+}
+
+define float @ret_fmul_dapz_nonan_nozero_nosub__nonan_nozero_nosub(float nofpclass(nan zero sub) %arg0, float nofpclass(nan zero sub) %arg1) #2 {
+; CHECK-LABEL: define float @ret_fmul_dapz_nonan_nozero_nosub__nonan_nozero_nosub
+; CHECK-SAME: (float nofpclass(nan zero sub) [[ARG0:%.*]], float nofpclass(nan zero sub) [[ARG1:%.*]]) #[[ATTR2]] {
+; CHECK-NEXT:    [[FMUL:%.*]] = fmul float [[ARG0]], [[ARG1]]
+; CHECK-NEXT:    ret float [[FMUL]]
+;
+  %fmul = fmul float %arg0, %arg1
+  ret float %fmul
+}
+
+define float @ret_fmul_dynamic_nonan_nozero_nosub__nonan_nozero_nosub(float nofpclass(nan zero sub) %arg0, float nofpclass(nan zero sub) %arg1) #3 {
+; CHECK-LABEL: define float @ret_fmul_dynamic_nonan_nozero_nosub__nonan_nozero_nosub
+; CHECK-SAME: (float nofpclass(nan zero sub) [[ARG0:%.*]], float nofpclass(nan zero sub) [[ARG1:%.*]]) #[[ATTR3]] {
+; CHECK-NEXT:    [[FMUL:%.*]] = fmul float [[ARG0]], [[ARG1]]
+; CHECK-NEXT:    ret float [[FMUL]]
+;
+  %fmul = fmul float %arg0, %arg1
+  ret float %fmul
+}
+
+; Missing no-subnormal on lhs
+define float @ret_fmul_daz_nonan_nozero__nonan_nozero_nosub(float nofpclass(nan zero) %arg0, float nofpclass(nan zero sub) %arg1) #1 {
+; CHECK-LABEL: define float @ret_fmul_daz_nonan_nozero__nonan_nozero_nosub
+; CHECK-SAME: (float nofpclass(nan zero) [[ARG0:%.*]], float nofpclass(nan zero sub) [[ARG1:%.*]]) #[[ATTR1]] {
+; CHECK-NEXT:    [[FMUL:%.*]] = fmul float [[ARG0]], [[ARG1]]
+; CHECK-NEXT:    ret float [[FMUL]]
+;
+  %fmul = fmul float %arg0, %arg1
+  ret float %fmul
+}
+
+; Missing no-subnormal on lhs
+define float @ret_fmul_daz_nonan_nozero_nosub__nonan_nozero(float nofpclass(nan zero sub) %arg0, float nofpclass(nan zero) %arg1) #1 {
+; CHECK-LABEL: define float @ret_fmul_daz_nonan_nozero_nosub__nonan_nozero
+; CHECK-SAME: (float nofpclass(nan zero sub) [[ARG0:%.*]], float nofpclass(nan zero) [[ARG1:%.*]]) #[[ATTR1]] {
+; CHECK-NEXT:    [[FMUL:%.*]] = fmul float [[ARG0]], [[ARG1]]
+; CHECK-NEXT:    ret float [[FMUL]]
+;
+  %fmul = fmul float %arg0, %arg1
+  ret float %fmul
+}
+
+attributes #0 = { "denormal-fp-math"="ieee,ieee" }
+attributes #1 = { "denormal-fp-math"="ieee,preserve-sign" }
+attributes #2 = { "denormal-fp-math"="ieee,positive-zero" }
+attributes #3 = { "denormal-fp-math"="ieee,dynamic" }
+;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
+; TUNIT: {{.*}}
-- 
2.7.4