Fast-math test case for bitcode and textual reading/writing

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168647 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Assembler/fast-math-flags.ll b/test/Assembler/fast-math-flags.ll
new file mode 100644 (file)
index 0000000..3a116c5
--- /dev/null
+++ b/test/Assembler/fast-math-flags.ll
@@ -0,0 +1,142 @@
+; RUN: llvm-as < %s | llvm-dis | FileCheck %s
+; RUN: opt -S < %s | FileCheck %s
+
+@addr   = external global i64
+@select = external global i1
+@vec    = external global <3 x float>
+@arr    = external global [3 x float]
+
+define float @none(float %x, float %y) {
+entry:
+; CHECK:  %vec = load  <3 x float>* @vec
+  %vec    = load  <3 x float>* @vec
+; CHECK:  %select = load i1* @select
+  %select = load i1* @select
+; CHECK:  %arr    = load [3 x float]* @arr
+  %arr    = load [3 x float]* @arr
+
+; CHECK:  %a = fadd  float %x, %y
+  %a = fadd  float %x, %y
+; CHECK:  %a_vec = fadd  <3 x float> %vec, %vec
+  %a_vec = fadd  <3 x float> %vec, %vec
+; CHECK:  %b = fsub  float %x, %y
+  %b = fsub  float %x, %y
+; CHECK:  %b_vec = fsub  <3 x float> %vec, %vec
+  %b_vec = fsub  <3 x float> %vec, %vec
+; CHECK:  %c = fmul  float %x, %y
+  %c = fmul  float %x, %y
+; CHECK:  %c_vec = fmul  <3 x float> %vec, %vec
+  %c_vec = fmul  <3 x float> %vec, %vec
+; CHECK:  %d = fdiv  float %x, %y
+  %d = fdiv  float %x, %y
+; CHECK:  %d_vec = fdiv  <3 x float> %vec, %vec
+  %d_vec = fdiv  <3 x float> %vec, %vec
+; CHECK:  %e = frem  float %x, %y
+  %e = frem  float %x, %y
+; CHECK:  %e_vec = frem  <3 x float> %vec, %vec
+  %e_vec = frem  <3 x float> %vec, %vec
+; CHECK:  ret  float %e
+  ret  float %e
+}
+
+; CHECK: no_nan
+define float @no_nan(float %x, float %y) {
+entry:
+; CHECK:  %vec = load <3 x float>* @vec
+  %vec    = load  <3 x float>* @vec
+; CHECK:  %select = load i1* @select
+  %select = load i1* @select
+; CHECK:  %arr = load  [3 x float]* @arr
+  %arr    = load  [3 x float]* @arr
+
+; CHECK:  %a = fadd nnan  float %x, %y
+  %a = fadd nnan  float %x, %y
+; CHECK:  %a_vec = fadd nnan  <3 x float> %vec, %vec
+  %a_vec = fadd nnan  <3 x float> %vec, %vec
+; CHECK:  %b = fsub nnan  float %x, %y
+  %b = fsub nnan  float %x, %y
+; CHECK:  %b_vec = fsub nnan  <3 x float> %vec, %vec
+  %b_vec = fsub nnan  <3 x float> %vec, %vec
+; CHECK:  %c = fmul nnan  float %x, %y
+  %c = fmul nnan  float %x, %y
+; CHECK:  %c_vec = fmul nnan  <3 x float> %vec, %vec
+  %c_vec = fmul nnan <3 x float> %vec, %vec
+; CHECK:  %d = fdiv nnan  float %x, %y
+  %d = fdiv nnan float %x, %y
+; CHECK:  %d_vec = fdiv nnan  <3 x float> %vec, %vec
+  %d_vec = fdiv nnan <3 x float> %vec, %vec
+; CHECK:  %e = frem nnan  float %x, %y
+  %e = frem nnan  float %x, %y
+; CHECK:  %e_vec = frem nnan  <3 x float> %vec, %vec
+  %e_vec = frem nnan  <3 x float> %vec, %vec
+; CHECK:  ret float %e
+  ret float %e
+}
+
+; CHECK: no_nan_inf
+define float @no_nan_inf(float %x, float %y) {
+entry:
+; CHECK:  %vec = load <3 x float>* @vec
+  %vec    = load <3 x float>* @vec
+; CHECK:  %select = load i1* @select
+  %select = load i1* @select
+; CHECK:  %arr = load [3 x float]* @arr
+  %arr    = load [3 x float]* @arr
+
+; CHECK:  %a = fadd nnan ninf  float %x, %y
+  %a = fadd ninf nnan  float %x, %y
+; CHECK:  %a_vec = fadd nnan  <3 x float> %vec, %vec
+  %a_vec = fadd nnan  <3 x float> %vec, %vec
+; CHECK:  %b = fsub nnan  float %x, %y
+  %b = fsub nnan  float %x, %y
+; CHECK:  %b_vec = fsub nnan ninf  <3 x float> %vec, %vec
+  %b_vec = fsub ninf nnan  <3 x float> %vec, %vec
+; CHECK:  %c = fmul nnan  float %x, %y
+  %c = fmul nnan  float %x, %y
+; CHECK:  %c_vec = fmul nnan  <3 x float> %vec, %vec
+  %c_vec = fmul nnan <3 x float> %vec, %vec
+; CHECK:  %d = fdiv nnan ninf  float %x, %y
+  %d = fdiv ninf nnan float %x, %y
+; CHECK:  %d_vec = fdiv nnan  <3 x float> %vec, %vec
+  %d_vec = fdiv nnan <3 x float> %vec, %vec
+; CHECK:  %e = frem nnan  float %x, %y
+  %e = frem nnan  float %x, %y
+; CHECK:  %e_vec = frem nnan ninf  <3 x float> %vec, %vec
+  %e_vec = frem ninf nnan  <3 x float> %vec, %vec
+; CHECK:  ret  float %e
+  ret  float %e
+}
+
+; CHECK: mixed_flags
+define float @mixed_flags(float %x, float %y) {
+entry:
+; CHECK:  %vec = load <3 x float>* @vec
+  %vec    = load <3 x float>* @vec
+; CHECK:  %select = load i1* @select
+  %select = load i1* @select
+; CHECK:  %arr    = load [3 x float]* @arr
+  %arr    = load [3 x float]* @arr
+
+; CHECK:  %a = fadd nnan ninf float %x, %y
+  %a = fadd ninf nnan float %x, %y
+; CHECK:  %a_vec = fadd nnan <3 x float> %vec, %vec
+  %a_vec = fadd nnan <3 x float> %vec, %vec
+; CHECK:  %b = fsub fast float %x, %y
+  %b = fsub nnan nsz fast float %x, %y
+; CHECK:  %b_vec = fsub nnan <3 x float> %vec, %vec
+  %b_vec = fsub nnan <3 x float> %vec, %vec
+; CHECK:  %c = fmul fast float %x, %y
+  %c = fmul nsz fast arcp float %x, %y
+; CHECK:  %c_vec = fmul nsz <3 x float> %vec, %vec
+  %c_vec = fmul nsz <3 x float> %vec, %vec
+; CHECK:  %d = fdiv nnan ninf arcp float %x, %y
+  %d = fdiv arcp ninf nnan float %x, %y
+; CHECK:  %d_vec = fdiv fast <3 x float> %vec, %vec
+  %d_vec = fdiv fast nnan arcp <3 x float> %vec, %vec
+; CHECK:  %e = frem nnan nsz float %x, %y
+  %e = frem nnan nsz float %x, %y
+; CHECK:  %e_vec = frem nnan <3 x float> %vec, %vec
+  %e_vec = frem nnan <3 x float> %vec, %vec
+; CHECK:  ret  float %e
+  ret  float %e
+}