[llvm] r327012 - [InstSimplify] add more tests for FP undef; NFC
Sanjay Patel via llvm-commits
llvm-commits at lists.llvm.org
Thu Mar 8 07:39:39 PST 2018
Author: spatel
Date: Thu Mar 8 07:39:39 2018
New Revision: 327012
URL: http://llvm.org/viewvc/llvm-project?rev=327012&view=rev
Log:
[InstSimplify] add more tests for FP undef; NFC
Modified:
llvm/trunk/test/Transforms/InstSimplify/fp-undef.ll
Modified: llvm/trunk/test/Transforms/InstSimplify/fp-undef.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstSimplify/fp-undef.ll?rev=327012&r1=327011&r2=327012&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/InstSimplify/fp-undef.ll (original)
+++ llvm/trunk/test/Transforms/InstSimplify/fp-undef.ll Thu Mar 8 07:39:39 2018
@@ -87,3 +87,379 @@ define float @frem_undef_op1(float %x) {
ret float %r
}
+; Repeat all tests with fast-math-flags. Alternate 'nnan' and 'fast' for more coverage.
+
+define float @fadd_undef_op0_nnan(float %x) {
+; CHECK-LABEL: @fadd_undef_op0_nnan(
+; CHECK-NEXT: [[R:%.*]] = fadd nnan float undef, [[X:%.*]]
+; CHECK-NEXT: ret float [[R]]
+;
+ %r = fadd nnan float undef, %x
+ ret float %r
+}
+
+define float @fadd_undef_op1_fast(float %x) {
+; CHECK-LABEL: @fadd_undef_op1_fast(
+; CHECK-NEXT: [[R:%.*]] = fadd fast float [[X:%.*]], undef
+; CHECK-NEXT: ret float [[R]]
+;
+ %r = fadd fast float %x, undef
+ ret float %r
+}
+
+define float @fsub_undef_op0_fast(float %x) {
+; CHECK-LABEL: @fsub_undef_op0_fast(
+; CHECK-NEXT: [[R:%.*]] = fsub fast float undef, [[X:%.*]]
+; CHECK-NEXT: ret float [[R]]
+;
+ %r = fsub fast float undef, %x
+ ret float %r
+}
+
+define float @fsub_undef_op1_nnan(float %x) {
+; CHECK-LABEL: @fsub_undef_op1_nnan(
+; CHECK-NEXT: [[R:%.*]] = fsub nnan float [[X:%.*]], undef
+; CHECK-NEXT: ret float [[R]]
+;
+ %r = fsub nnan float %x, undef
+ ret float %r
+}
+
+define float @fmul_undef_op0_nnan(float %x) {
+; CHECK-LABEL: @fmul_undef_op0_nnan(
+; CHECK-NEXT: [[R:%.*]] = fmul nnan float undef, [[X:%.*]]
+; CHECK-NEXT: ret float [[R]]
+;
+ %r = fmul nnan float undef, %x
+ ret float %r
+}
+
+define float @fmul_undef_op1_fast(float %x) {
+; CHECK-LABEL: @fmul_undef_op1_fast(
+; CHECK-NEXT: [[R:%.*]] = fmul fast float [[X:%.*]], undef
+; CHECK-NEXT: ret float [[R]]
+;
+ %r = fmul fast float %x, undef
+ ret float %r
+}
+
+define float @fdiv_undef_op0_fast(float %x) {
+; CHECK-LABEL: @fdiv_undef_op0_fast(
+; CHECK-NEXT: ret float undef
+;
+ %r = fdiv fast float undef, %x
+ ret float %r
+}
+
+define float @fdiv_undef_op1_nnan(float %x) {
+; CHECK-LABEL: @fdiv_undef_op1_nnan(
+; CHECK-NEXT: ret float undef
+;
+ %r = fdiv nnan float %x, undef
+ ret float %r
+}
+
+define float @frem_undef_op0_nnan(float %x) {
+; CHECK-LABEL: @frem_undef_op0_nnan(
+; CHECK-NEXT: ret float undef
+;
+ %r = frem nnan float undef, %x
+ ret float %r
+}
+
+define float @frem_undef_op1_fast(float %x) {
+; CHECK-LABEL: @frem_undef_op1_fast(
+; CHECK-NEXT: ret float undef
+;
+ %r = frem fast float %x, undef
+ ret float %r
+}
+
+; Constant folding - undef undef.
+
+define double @fadd_undef_undef(double %x) {
+; CHECK-LABEL: @fadd_undef_undef(
+; CHECK-NEXT: ret double fadd (double undef, double undef)
+;
+ %r = fadd double undef, undef
+ ret double %r
+}
+
+define double @fsub_undef_undef(double %x) {
+; CHECK-LABEL: @fsub_undef_undef(
+; CHECK-NEXT: ret double fsub (double undef, double undef)
+;
+ %r = fsub double undef, undef
+ ret double %r
+}
+
+define double @fmul_undef_undef(double %x) {
+; CHECK-LABEL: @fmul_undef_undef(
+; CHECK-NEXT: ret double fmul (double undef, double undef)
+;
+ %r = fmul double undef, undef
+ ret double %r
+}
+
+define double @fdiv_undef_undef(double %x) {
+; CHECK-LABEL: @fdiv_undef_undef(
+; CHECK-NEXT: ret double fdiv (double undef, double undef)
+;
+ %r = fdiv double undef, undef
+ ret double %r
+}
+
+define double @frem_undef_undef(double %x) {
+; CHECK-LABEL: @frem_undef_undef(
+; CHECK-NEXT: ret double frem (double undef, double undef)
+;
+ %r = frem double undef, undef
+ ret double %r
+}
+
+; Constant folding.
+
+define float @fadd_undef_op0_nnan_constant(float %x) {
+; CHECK-LABEL: @fadd_undef_op0_nnan_constant(
+; CHECK-NEXT: ret float fadd (float undef, float 1.000000e+00)
+;
+ %r = fadd nnan float undef, 1.0
+ ret float %r
+}
+
+define float @fadd_undef_op1_constant(float %x) {
+; CHECK-LABEL: @fadd_undef_op1_constant(
+; CHECK-NEXT: ret float fadd (float 2.000000e+00, float undef)
+;
+ %r = fadd float 2.0, undef
+ ret float %r
+}
+
+define float @fsub_undef_op0_fast_constant(float %x) {
+; CHECK-LABEL: @fsub_undef_op0_fast_constant(
+; CHECK-NEXT: ret float fsub (float undef, float 3.000000e+00)
+;
+ %r = fsub fast float undef, 3.0
+ ret float %r
+}
+
+define float @fsub_undef_op1_constant(float %x) {
+; CHECK-LABEL: @fsub_undef_op1_constant(
+; CHECK-NEXT: ret float fsub (float 4.000000e+00, float undef)
+;
+ %r = fsub float 4.0, undef
+ ret float %r
+}
+
+define float @fmul_undef_op0_nnan_constant(float %x) {
+; CHECK-LABEL: @fmul_undef_op0_nnan_constant(
+; CHECK-NEXT: ret float fmul (float undef, float 5.000000e+00)
+;
+ %r = fmul nnan float undef, 5.0
+ ret float %r
+}
+
+define float @fmul_undef_op1_constant(float %x) {
+; CHECK-LABEL: @fmul_undef_op1_constant(
+; CHECK-NEXT: ret float fmul (float 6.000000e+00, float undef)
+;
+ %r = fmul float 6.0, undef
+ ret float %r
+}
+
+define float @fdiv_undef_op0_fast_constant(float %x) {
+; CHECK-LABEL: @fdiv_undef_op0_fast_constant(
+; CHECK-NEXT: ret float fdiv (float undef, float 7.000000e+00)
+;
+ %r = fdiv fast float undef, 7.0
+ ret float %r
+}
+
+define float @fdiv_undef_op1_constant(float %x) {
+; CHECK-LABEL: @fdiv_undef_op1_constant(
+; CHECK-NEXT: ret float fdiv (float 8.000000e+00, float undef)
+;
+ %r = fdiv float 8.0, undef
+ ret float %r
+}
+
+define float @frem_undef_op0_nnan_constant(float %x) {
+; CHECK-LABEL: @frem_undef_op0_nnan_constant(
+; CHECK-NEXT: ret float frem (float undef, float 9.000000e+00)
+;
+ %r = frem nnan float undef, 9.0
+ ret float %r
+}
+
+define float @frem_undef_op1_constant(float %x) {
+; CHECK-LABEL: @frem_undef_op1_constant(
+; CHECK-NEXT: ret float frem (float 1.000000e+01, float undef)
+;
+ %r = frem float 10.0, undef
+ ret float %r
+}
+
+; Constant folding - special constants: NaN.
+
+define double @fadd_undef_op0_constant_nan(double %x) {
+; CHECK-LABEL: @fadd_undef_op0_constant_nan(
+; CHECK-NEXT: ret double fadd (double undef, double 0x7FF8000000000000)
+;
+ %r = fadd double undef, 0x7FF8000000000000
+ ret double %r
+}
+
+define double @fadd_undef_op1_fast_constant_nan(double %x) {
+; CHECK-LABEL: @fadd_undef_op1_fast_constant_nan(
+; CHECK-NEXT: ret double fadd (double 0xFFF0000000000001, double undef)
+;
+ %r = fadd fast double 0xFFF0000000000001, undef
+ ret double %r
+}
+
+define double @fsub_undef_op0_constant_nan(double %x) {
+; CHECK-LABEL: @fsub_undef_op0_constant_nan(
+; CHECK-NEXT: ret double fsub (double undef, double 0xFFF8000000000010)
+;
+ %r = fsub double undef, 0xFFF8000000000010
+ ret double %r
+}
+
+define double @fsub_undef_op1_nnan_constant_nan(double %x) {
+; CHECK-LABEL: @fsub_undef_op1_nnan_constant_nan(
+; CHECK-NEXT: ret double fsub (double 0x7FF0000000000011, double undef)
+;
+ %r = fsub nnan double 0x7FF0000000000011, undef
+ ret double %r
+}
+
+define double @fmul_undef_op0_constant_nan(double %x) {
+; CHECK-LABEL: @fmul_undef_op0_constant_nan(
+; CHECK-NEXT: ret double fmul (double undef, double 0x7FF8000000000100)
+;
+ %r = fmul double undef, 0x7FF8000000000100
+ ret double %r
+}
+
+define double @fmul_undef_op1_fast_constant_nan(double %x) {
+; CHECK-LABEL: @fmul_undef_op1_fast_constant_nan(
+; CHECK-NEXT: ret double fmul (double 0xFFF0000000000101, double undef)
+;
+ %r = fmul fast double 0xFFF0000000000101, undef
+ ret double %r
+}
+
+define double @fdiv_undef_op0_constant_nan(double %x) {
+; CHECK-LABEL: @fdiv_undef_op0_constant_nan(
+; CHECK-NEXT: ret double fdiv (double undef, double 0xFFF8000000000110)
+;
+ %r = fdiv double undef, 0xFFF8000000000110
+ ret double %r
+}
+
+define double @fdiv_undef_op1_nnan_constant_nan(double %x) {
+; CHECK-LABEL: @fdiv_undef_op1_nnan_constant_nan(
+; CHECK-NEXT: ret double fdiv (double 0x7FF0000000000111, double undef)
+;
+ %r = fdiv nnan double 0x7FF0000000000111, undef
+ ret double %r
+}
+
+define double @frem_undef_op0_constant_nan(double %x) {
+; CHECK-LABEL: @frem_undef_op0_constant_nan(
+; CHECK-NEXT: ret double frem (double undef, double 0x7FF8000000001000)
+;
+ %r = frem double undef, 0x7FF8000000001000
+ ret double %r
+}
+
+define double @frem_undef_op1_fast_constant_nan(double %x) {
+; CHECK-LABEL: @frem_undef_op1_fast_constant_nan(
+; CHECK-NEXT: ret double frem (double 0xFFF0000000001001, double undef)
+;
+ %r = frem fast double 0xFFF0000000001001, undef
+ ret double %r
+}
+
+; Constant folding - special constants: Inf.
+
+define double @fadd_undef_op0_constant_inf(double %x) {
+; CHECK-LABEL: @fadd_undef_op0_constant_inf(
+; CHECK-NEXT: ret double fadd (double undef, double 0x7FF0000000000000)
+;
+ %r = fadd double undef, 0x7FF0000000000000
+ ret double %r
+}
+
+define double @fadd_undef_op1_fast_constant_inf(double %x) {
+; CHECK-LABEL: @fadd_undef_op1_fast_constant_inf(
+; CHECK-NEXT: ret double fadd (double 0xFFF0000000000000, double undef)
+;
+ %r = fadd fast double 0xFFF0000000000000, undef
+ ret double %r
+}
+
+define double @fsub_undef_op0_constant_inf(double %x) {
+; CHECK-LABEL: @fsub_undef_op0_constant_inf(
+; CHECK-NEXT: ret double fsub (double undef, double 0xFFF8000000000000)
+;
+ %r = fsub double undef, 0xFFF8000000000000
+ ret double %r
+}
+
+define double @fsub_undef_op1_ninf_constant_inf(double %x) {
+; CHECK-LABEL: @fsub_undef_op1_ninf_constant_inf(
+; CHECK-NEXT: ret double fsub (double 0x7FF0000000000000, double undef)
+;
+ %r = fsub ninf double 0x7FF0000000000000, undef
+ ret double %r
+}
+
+define double @fmul_undef_op0_constant_inf(double %x) {
+; CHECK-LABEL: @fmul_undef_op0_constant_inf(
+; CHECK-NEXT: ret double fmul (double undef, double 0x7FF8000000000000)
+;
+ %r = fmul double undef, 0x7FF8000000000000
+ ret double %r
+}
+
+define double @fmul_undef_op1_fast_constant_inf(double %x) {
+; CHECK-LABEL: @fmul_undef_op1_fast_constant_inf(
+; CHECK-NEXT: ret double fmul (double 0xFFF0000000000000, double undef)
+;
+ %r = fmul fast double 0xFFF0000000000000, undef
+ ret double %r
+}
+
+define double @fdiv_undef_op0_constant_inf(double %x) {
+; CHECK-LABEL: @fdiv_undef_op0_constant_inf(
+; CHECK-NEXT: ret double fdiv (double undef, double 0xFFF8000000000000)
+;
+ %r = fdiv double undef, 0xFFF8000000000000
+ ret double %r
+}
+
+define double @fdiv_undef_op1_ninf_constant_inf(double %x) {
+; CHECK-LABEL: @fdiv_undef_op1_ninf_constant_inf(
+; CHECK-NEXT: ret double fdiv (double 0x7FF0000000000000, double undef)
+;
+ %r = fdiv ninf double 0x7FF0000000000000, undef
+ ret double %r
+}
+
+define double @frem_undef_op0_constant_inf(double %x) {
+; CHECK-LABEL: @frem_undef_op0_constant_inf(
+; CHECK-NEXT: ret double frem (double undef, double 0x7FF8000000000000)
+;
+ %r = frem double undef, 0x7FF8000000000000
+ ret double %r
+}
+
+define double @frem_undef_op1_fast_constant_inf(double %x) {
+; CHECK-LABEL: @frem_undef_op1_fast_constant_inf(
+; CHECK-NEXT: ret double frem (double 0xFFF0000000000000, double undef)
+;
+ %r = frem fast double 0xFFF0000000000000, undef
+ ret double %r
+}
+
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