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-rw-r--r--llvm/unittests/Analysis/ValueTrackingTest.cpp176
1 files changed, 176 insertions, 0 deletions
diff --git a/llvm/unittests/Analysis/ValueTrackingTest.cpp b/llvm/unittests/Analysis/ValueTrackingTest.cpp
index d6365176d08..ccae9d19ebb 100644
--- a/llvm/unittests/Analysis/ValueTrackingTest.cpp
+++ b/llvm/unittests/Analysis/ValueTrackingTest.cpp
@@ -149,6 +149,182 @@ TEST_F(MatchSelectPatternTest, FMinConstantZeroNsz) {
expectPattern({SPF_FMINNUM, SPNB_RETURNS_OTHER, true});
}
+TEST_F(MatchSelectPatternTest, FMinMismatchConstantZero1) {
+ parseAssembly(
+ "define float @test(float %a) {\n"
+ " %1 = fcmp olt float -0.0, %a\n"
+ " %A = select i1 %1, float 0.0, float %a\n"
+ " ret float %A\n"
+ "}\n");
+ // FIXME: The sign of zero doesn't matter in fcmp.
+ expectPattern({SPF_UNKNOWN, SPNB_NA, false});
+}
+
+TEST_F(MatchSelectPatternTest, FMinMismatchConstantZero2) {
+ parseAssembly(
+ "define float @test(float %a) {\n"
+ " %1 = fcmp ogt float %a, -0.0\n"
+ " %A = select i1 %1, float 0.0, float %a\n"
+ " ret float %A\n"
+ "}\n");
+ // FIXME: The sign of zero doesn't matter in fcmp.
+ expectPattern({SPF_UNKNOWN, SPNB_NA, false});
+}
+
+TEST_F(MatchSelectPatternTest, FMinMismatchConstantZero3) {
+ parseAssembly(
+ "define float @test(float %a) {\n"
+ " %1 = fcmp olt float 0.0, %a\n"
+ " %A = select i1 %1, float -0.0, float %a\n"
+ " ret float %A\n"
+ "}\n");
+ // FIXME: The sign of zero doesn't matter in fcmp.
+ expectPattern({SPF_UNKNOWN, SPNB_NA, false});
+}
+
+TEST_F(MatchSelectPatternTest, FMinMismatchConstantZero4) {
+ parseAssembly(
+ "define float @test(float %a) {\n"
+ " %1 = fcmp ogt float %a, 0.0\n"
+ " %A = select i1 %1, float -0.0, float %a\n"
+ " ret float %A\n"
+ "}\n");
+ // FIXME: The sign of zero doesn't matter in fcmp.
+ expectPattern({SPF_UNKNOWN, SPNB_NA, false});
+}
+
+TEST_F(MatchSelectPatternTest, FMinMismatchConstantZero5) {
+ parseAssembly(
+ "define float @test(float %a) {\n"
+ " %1 = fcmp ogt float -0.0, %a\n"
+ " %A = select i1 %1, float %a, float 0.0\n"
+ " ret float %A\n"
+ "}\n");
+ // FIXME: The sign of zero doesn't matter in fcmp.
+ expectPattern({SPF_UNKNOWN, SPNB_NA, false});
+}
+
+TEST_F(MatchSelectPatternTest, FMinMismatchConstantZero6) {
+ parseAssembly(
+ "define float @test(float %a) {\n"
+ " %1 = fcmp olt float %a, -0.0\n"
+ " %A = select i1 %1, float %a, float 0.0\n"
+ " ret float %A\n"
+ "}\n");
+ // FIXME: The sign of zero doesn't matter in fcmp.
+ expectPattern({SPF_UNKNOWN, SPNB_NA, false});
+}
+
+TEST_F(MatchSelectPatternTest, FMinMismatchConstantZero7) {
+ parseAssembly(
+ "define float @test(float %a) {\n"
+ " %1 = fcmp ogt float 0.0, %a\n"
+ " %A = select i1 %1, float %a, float -0.0\n"
+ " ret float %A\n"
+ "}\n");
+ // FIXME: The sign of zero doesn't matter in fcmp.
+ expectPattern({SPF_UNKNOWN, SPNB_NA, false});
+}
+
+TEST_F(MatchSelectPatternTest, FMinMismatchConstantZero8) {
+ parseAssembly(
+ "define float @test(float %a) {\n"
+ " %1 = fcmp olt float %a, 0.0\n"
+ " %A = select i1 %1, float %a, float -0.0\n"
+ " ret float %A\n"
+ "}\n");
+ // FIXME: The sign of zero doesn't matter in fcmp.
+ expectPattern({SPF_UNKNOWN, SPNB_NA, false});
+}
+
+TEST_F(MatchSelectPatternTest, FMaxMismatchConstantZero1) {
+ parseAssembly(
+ "define float @test(float %a) {\n"
+ " %1 = fcmp ogt float -0.0, %a\n"
+ " %A = select i1 %1, float 0.0, float %a\n"
+ " ret float %A\n"
+ "}\n");
+ // FIXME: The sign of zero doesn't matter in fcmp.
+ expectPattern({SPF_UNKNOWN, SPNB_NA, false});
+}
+
+TEST_F(MatchSelectPatternTest, FMaxMismatchConstantZero2) {
+ parseAssembly(
+ "define float @test(float %a) {\n"
+ " %1 = fcmp olt float %a, -0.0\n"
+ " %A = select i1 %1, float 0.0, float %a\n"
+ " ret float %A\n"
+ "}\n");
+ // FIXME: The sign of zero doesn't matter in fcmp.
+ expectPattern({SPF_UNKNOWN, SPNB_NA, false});
+}
+
+TEST_F(MatchSelectPatternTest, FMaxMismatchConstantZero3) {
+ parseAssembly(
+ "define float @test(float %a) {\n"
+ " %1 = fcmp ogt float 0.0, %a\n"
+ " %A = select i1 %1, float -0.0, float %a\n"
+ " ret float %A\n"
+ "}\n");
+ // FIXME: The sign of zero doesn't matter in fcmp.
+ expectPattern({SPF_UNKNOWN, SPNB_NA, false});
+}
+
+TEST_F(MatchSelectPatternTest, FMaxMismatchConstantZero4) {
+ parseAssembly(
+ "define float @test(float %a) {\n"
+ " %1 = fcmp olt float %a, 0.0\n"
+ " %A = select i1 %1, float -0.0, float %a\n"
+ " ret float %A\n"
+ "}\n");
+ // FIXME: The sign of zero doesn't matter in fcmp.
+ expectPattern({SPF_UNKNOWN, SPNB_NA, false});
+}
+
+TEST_F(MatchSelectPatternTest, FMaxMismatchConstantZero5) {
+ parseAssembly(
+ "define float @test(float %a) {\n"
+ " %1 = fcmp olt float -0.0, %a\n"
+ " %A = select i1 %1, float %a, float 0.0\n"
+ " ret float %A\n"
+ "}\n");
+ // FIXME: The sign of zero doesn't matter in fcmp.
+ expectPattern({SPF_UNKNOWN, SPNB_NA, false});
+}
+
+TEST_F(MatchSelectPatternTest, FMaxMismatchConstantZero6) {
+ parseAssembly(
+ "define float @test(float %a) {\n"
+ " %1 = fcmp ogt float %a, -0.0\n"
+ " %A = select i1 %1, float %a, float 0.0\n"
+ " ret float %A\n"
+ "}\n");
+ // FIXME: The sign of zero doesn't matter in fcmp.
+ expectPattern({SPF_UNKNOWN, SPNB_NA, false});
+}
+
+TEST_F(MatchSelectPatternTest, FMaxMismatchConstantZero7) {
+ parseAssembly(
+ "define float @test(float %a) {\n"
+ " %1 = fcmp olt float 0.0, %a\n"
+ " %A = select i1 %1, float %a, float -0.0\n"
+ " ret float %A\n"
+ "}\n");
+ // FIXME: The sign of zero doesn't matter in fcmp.
+ expectPattern({SPF_UNKNOWN, SPNB_NA, false});
+}
+
+TEST_F(MatchSelectPatternTest, FMaxMismatchConstantZero8) {
+ parseAssembly(
+ "define float @test(float %a) {\n"
+ " %1 = fcmp ogt float %a, 0.0\n"
+ " %A = select i1 %1, float %a, float -0.0\n"
+ " ret float %A\n"
+ "}\n");
+ // FIXME: The sign of zero doesn't matter in fcmp.
+ expectPattern({SPF_UNKNOWN, SPNB_NA, false});
+}
+
TEST_F(MatchSelectPatternTest, VectorFMinimum) {
parseAssembly(
"define <4 x float> @test(<4 x float> %a) {\n"
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