[llvm] [KnownFPClass] Refine powi KnownFPClass deductions (PR #218581)
via llvm-commits
llvm-commits at lists.llvm.org
Mon Aug 24 21:04:24 PDT 2026
llvmorg-github-actions[bot] wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-llvm-support
Author: ZERICO2005
<details>
<summary>Changes</summary>
Adds deductions for when the `base` is known never negative-normal nor negative-subnormal. Similar to the deductions added for `pow` https://github.com/llvm/llvm-project/pull/215592.
---
Patch is 55.26 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/218581.diff
4 Files Affected:
- (modified) llvm/lib/Support/KnownFPClass.cpp (+32-16)
- (modified) llvm/test/Transforms/Attributor/nofpclass-powi.ll (+268-54)
- (added) llvm/test/Transforms/InstCombine/simplify-demanded-fpclass-powi.ll (+72)
- (modified) llvm/unittests/Analysis/ValueTrackingTest.cpp (+7-5)
``````````diff
diff --git a/llvm/lib/Support/KnownFPClass.cpp b/llvm/lib/Support/KnownFPClass.cpp
index 37a6160b316ff..476c18ed76c13 100644
--- a/llvm/lib/Support/KnownFPClass.cpp
+++ b/llvm/lib/Support/KnownFPClass.cpp
@@ -903,6 +903,38 @@ KnownFPClass KnownFPClass::powi(const KnownFPClass &KnownSrc,
return Known;
}
+ // Given that exp is an integer, here are the
+ // ways that powi can return a negative value:
+ //
+ // powi(x, exp) --> negative if exp is odd and x is negative.
+ // powi(-0, exp) --> -inf if exp is negative odd.
+ // powi(-0, exp) --> -0 if exp is positive odd.
+ // powi(-inf, exp) --> -0 if exp is negative odd.
+ // powi(-inf, exp) --> -inf if exp is positive odd.
+ if (KnownSrc.isKnownNever(fcNegative) || ExponentKnownBits.isEven()) {
+ Known.knownNot(fcNegative);
+ } else if (KnownSrc.isKnownNever(fcNegNormal | fcNegSubnormal)) {
+ Known.knownNot(fcNegNormal | fcNegSubnormal);
+ // See if we can also rule out -0.0 or -inf.
+ // Here at least one of -0.0 or -inf is a possible base.
+
+ // We already know that ExponentKnownBits.isEven() is false here.
+ const bool IsKnownNeverOddPositive = ExponentKnownBits.isNegative();
+ const bool IsKnownNeverOddNegative = ExponentKnownBits.isNonNegative();
+
+ // powi(-0.0, odd-positive) = -0.0
+ // powi(-inf, odd-negative) = -0.0
+ if ((KnownSrc.isKnownNever(fcNegZero) || IsKnownNeverOddPositive) &&
+ (KnownSrc.isKnownNever(fcNegInf) || IsKnownNeverOddNegative))
+ Known.knownNot(fcNegZero);
+
+ // powi(-0.0, odd-negative) = -inf
+ // powi(-inf, odd-positive) = -inf
+ if ((KnownSrc.isKnownNever(fcNegZero) || IsKnownNeverOddNegative) &&
+ (KnownSrc.isKnownNever(fcNegInf) || IsKnownNeverOddPositive))
+ Known.knownNot(fcNegInf);
+ }
+
// powi(x, exp) --> inf
// when:
// * powi(inf, exp), exp > 0
@@ -938,21 +970,5 @@ KnownFPClass KnownFPClass::powi(const KnownFPClass &KnownSrc,
Known.knownNot(fcInf);
}
- if (ExponentKnownBits.isEven()) {
- Known.knownNot(fcNegative);
- return Known;
- }
-
- // Given that exp is an integer, here are the
- // ways that pow can return a negative value:
- //
- // pow(-x, exp) --> negative if exp is odd and x is negative.
- // pow(-0, exp) --> -inf if exp is negative odd.
- // pow(-0, exp) --> -0 if exp is positive odd.
- // pow(-inf, exp) --> -0 if exp is negative odd.
- // pow(-inf, exp) --> -inf if exp is positive odd.
- if (KnownSrc.isKnownNever(fcNegative))
- Known.knownNot(fcNegative);
-
return Known;
}
diff --git a/llvm/test/Transforms/Attributor/nofpclass-powi.ll b/llvm/test/Transforms/Attributor/nofpclass-powi.ll
index 49b32d6181589..e92a49dfe8413 100644
--- a/llvm/test/Transforms/Attributor/nofpclass-powi.ll
+++ b/llvm/test/Transforms/Attributor/nofpclass-powi.ll
@@ -10,7 +10,7 @@ declare <4 x float> @llvm.powi.v4f32.i32(<4 x float>, i32)
define float @ret_powi_f32(float %arg0, i32 %arg1) #0 {
; CHECK-LABEL: define float @ret_powi_f32
; CHECK-SAME: (float [[ARG0:%.*]], i32 [[ARG1:%.*]]) #[[ATTR1:[0-9]+]] {
-; CHECK-NEXT: [[CALL:%.*]] = call float @llvm.powi.f32.i32(float [[ARG0]], i32 [[ARG1]]) #[[ATTR6:[0-9]+]]
+; CHECK-NEXT: [[CALL:%.*]] = call float @llvm.powi.f32.i32(float [[ARG0]], i32 [[ARG1]]) #[[ATTR9:[0-9]+]]
; CHECK-NEXT: ret float [[CALL]]
;
%call = call float @llvm.powi.f32.i32(float %arg0, i32 %arg1)
@@ -20,7 +20,7 @@ define float @ret_powi_f32(float %arg0, i32 %arg1) #0 {
define float @ret_powi_f32_i64(float %arg0, i64 %arg1) #0 {
; CHECK-LABEL: define float @ret_powi_f32_i64
; CHECK-SAME: (float [[ARG0:%.*]], i64 [[ARG1:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT: [[CALL:%.*]] = call float @llvm.powi.f32.i64(float [[ARG0]], i64 [[ARG1]]) #[[ATTR6]]
+; CHECK-NEXT: [[CALL:%.*]] = call float @llvm.powi.f32.i64(float [[ARG0]], i64 [[ARG1]]) #[[ATTR9]]
; CHECK-NEXT: ret float [[CALL]]
;
%call = call float @llvm.powi.f32.i64(float %arg0, i64 %arg1)
@@ -30,7 +30,7 @@ define float @ret_powi_f32_i64(float %arg0, i64 %arg1) #0 {
define <2 x float> @ret_powi_v2f32(<2 x float> %arg0, i32 %arg1) #0 {
; CHECK-LABEL: define <2 x float> @ret_powi_v2f32
; CHECK-SAME: (<2 x float> [[ARG0:%.*]], i32 [[ARG1:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT: [[CALL:%.*]] = call <2 x float> @llvm.powi.v2f32.i32(<2 x float> [[ARG0]], i32 [[ARG1]]) #[[ATTR6]]
+; CHECK-NEXT: [[CALL:%.*]] = call <2 x float> @llvm.powi.v2f32.i32(<2 x float> [[ARG0]], i32 [[ARG1]]) #[[ATTR9]]
; CHECK-NEXT: ret <2 x float> [[CALL]]
;
%call = call <2 x float> @llvm.powi.v2f32.i32(<2 x float> %arg0, i32 %arg1)
@@ -40,7 +40,7 @@ define <2 x float> @ret_powi_v2f32(<2 x float> %arg0, i32 %arg1) #0 {
define float @ret_powi_f32_odd_constant(float %arg0) #0 {
; CHECK-LABEL: define float @ret_powi_f32_odd_constant
; CHECK-SAME: (float [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT: [[CALL:%.*]] = call float @llvm.powi.f32.i32(float [[ARG0]], i32 noundef 3) #[[ATTR6]]
+; CHECK-NEXT: [[CALL:%.*]] = call float @llvm.powi.f32.i32(float [[ARG0]], i32 noundef 3) #[[ATTR9]]
; CHECK-NEXT: ret float [[CALL]]
;
%call = call float @llvm.powi.f32.i32(float %arg0, i32 3)
@@ -50,7 +50,7 @@ define float @ret_powi_f32_odd_constant(float %arg0) #0 {
define float @ret_powi_f32_even_constant(float %arg0) #0 {
; CHECK-LABEL: define nofpclass(ninf nzero nsub nnorm) float @ret_powi_f32_even_constant
; CHECK-SAME: (float [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(ninf nzero nsub nnorm) float @llvm.powi.f32.i32(float [[ARG0]], i32 noundef 4) #[[ATTR6]]
+; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(ninf nzero nsub nnorm) float @llvm.powi.f32.i32(float [[ARG0]], i32 noundef 4) #[[ATTR9]]
; CHECK-NEXT: ret float [[CALL]]
;
%call = call float @llvm.powi.f32.i32(float %arg0, i32 4)
@@ -60,7 +60,7 @@ define float @ret_powi_f32_even_constant(float %arg0) #0 {
define float @ret_powi_f32_0(float %arg0) #0 {
; CHECK-LABEL: define nofpclass(inf zero sub nnorm) float @ret_powi_f32_0
; CHECK-SAME: (float [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(inf zero sub nnorm) float @llvm.powi.f32.i32(float [[ARG0]], i32 noundef 0) #[[ATTR6]]
+; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(inf zero sub nnorm) float @llvm.powi.f32.i32(float [[ARG0]], i32 noundef 0) #[[ATTR9]]
; CHECK-NEXT: ret float [[CALL]]
;
%call = call float @llvm.powi.f32.i32(float %arg0, i32 0)
@@ -70,7 +70,7 @@ define float @ret_powi_f32_0(float %arg0) #0 {
define float @ret_powi_f32_0_no_snan(float nofpclass(snan) %arg0) #0 {
; CHECK-LABEL: define nofpclass(nan inf zero sub nnorm) float @ret_powi_f32_0_no_snan
; CHECK-SAME: (float nofpclass(snan) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(nan inf zero sub nnorm) float @llvm.powi.f32.i32(float nofpclass(snan) [[ARG0]], i32 noundef 0) #[[ATTR6]]
+; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(nan inf zero sub nnorm) float @llvm.powi.f32.i32(float nofpclass(snan) [[ARG0]], i32 noundef 0) #[[ATTR9]]
; CHECK-NEXT: ret float [[CALL]]
;
%call = call float @llvm.powi.f32.i32(float %arg0, i32 0)
@@ -80,7 +80,7 @@ define float @ret_powi_f32_0_no_snan(float nofpclass(snan) %arg0) #0 {
define float @ret_powi_f32_0_no_qnan(float nofpclass(qnan) %arg0) #0 {
; CHECK-LABEL: define nofpclass(inf zero sub nnorm) float @ret_powi_f32_0_no_qnan
; CHECK-SAME: (float nofpclass(qnan) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(inf zero sub nnorm) float @llvm.powi.f32.i32(float nofpclass(qnan) [[ARG0]], i32 noundef 0) #[[ATTR6]]
+; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(inf zero sub nnorm) float @llvm.powi.f32.i32(float nofpclass(qnan) [[ARG0]], i32 noundef 0) #[[ATTR9]]
; CHECK-NEXT: ret float [[CALL]]
;
%call = call float @llvm.powi.f32.i32(float %arg0, i32 0)
@@ -90,7 +90,7 @@ define float @ret_powi_f32_0_no_qnan(float nofpclass(qnan) %arg0) #0 {
define float @ret_powi_f32_0_no_nan(float nofpclass(nan) %arg0) #0 {
; CHECK-LABEL: define nofpclass(nan inf zero sub nnorm) float @ret_powi_f32_0_no_nan
; CHECK-SAME: (float nofpclass(nan) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(nan inf zero sub nnorm) float @llvm.powi.f32.i32(float nofpclass(nan) [[ARG0]], i32 noundef 0) #[[ATTR6]]
+; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(nan inf zero sub nnorm) float @llvm.powi.f32.i32(float nofpclass(nan) [[ARG0]], i32 noundef 0) #[[ATTR9]]
; CHECK-NEXT: ret float [[CALL]]
;
%call = call float @llvm.powi.f32.i32(float %arg0, i32 0)
@@ -100,7 +100,7 @@ define float @ret_powi_f32_0_no_nan(float nofpclass(nan) %arg0) #0 {
define float @ret_powi_f32_1(float nofpclass(snan) %arg0) #0 {
; CHECK-LABEL: define nofpclass(snan) float @ret_powi_f32_1
; CHECK-SAME: (float nofpclass(snan) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(snan) float @llvm.powi.f32.i32(float nofpclass(snan) [[ARG0]], i32 noundef 1) #[[ATTR6]]
+; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(snan) float @llvm.powi.f32.i32(float nofpclass(snan) [[ARG0]], i32 noundef 1) #[[ATTR9]]
; CHECK-NEXT: ret float [[CALL]]
;
%call = call float @llvm.powi.f32.i32(float %arg0, i32 1)
@@ -110,7 +110,7 @@ define float @ret_powi_f32_1(float nofpclass(snan) %arg0) #0 {
define float @ret_powi_f32_neg1(float nofpclass(snan) %arg0) #0 {
; CHECK-LABEL: define nofpclass(snan) float @ret_powi_f32_neg1
; CHECK-SAME: (float nofpclass(snan) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(snan) float @llvm.powi.f32.i32(float nofpclass(snan) [[ARG0]], i32 noundef -1) #[[ATTR6]]
+; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(snan) float @llvm.powi.f32.i32(float nofpclass(snan) [[ARG0]], i32 noundef -1) #[[ATTR9]]
; CHECK-NEXT: ret float [[CALL]]
;
%call = call float @llvm.powi.f32.i32(float %arg0, i32 -1)
@@ -120,7 +120,7 @@ define float @ret_powi_f32_neg1(float nofpclass(snan) %arg0) #0 {
define float @ret_powi_f32_no_snan(float nofpclass(snan) %arg0, i32 %arg1) #0 {
; CHECK-LABEL: define nofpclass(snan) float @ret_powi_f32_no_snan
; CHECK-SAME: (float nofpclass(snan) [[ARG0:%.*]], i32 [[ARG1:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(snan) float @llvm.powi.f32.i32(float nofpclass(snan) [[ARG0]], i32 [[ARG1]]) #[[ATTR6]]
+; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(snan) float @llvm.powi.f32.i32(float nofpclass(snan) [[ARG0]], i32 [[ARG1]]) #[[ATTR9]]
; CHECK-NEXT: ret float [[CALL]]
;
%call = call float @llvm.powi.f32.i32(float %arg0, i32 %arg1)
@@ -130,7 +130,7 @@ define float @ret_powi_f32_no_snan(float nofpclass(snan) %arg0, i32 %arg1) #0 {
define float @ret_powi_f32_no_qnan(float nofpclass(qnan) %arg0, i32 %arg1) #0 {
; CHECK-LABEL: define float @ret_powi_f32_no_qnan
; CHECK-SAME: (float nofpclass(qnan) [[ARG0:%.*]], i32 [[ARG1:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT: [[CALL:%.*]] = call float @llvm.powi.f32.i32(float nofpclass(qnan) [[ARG0]], i32 [[ARG1]]) #[[ATTR6]]
+; CHECK-NEXT: [[CALL:%.*]] = call float @llvm.powi.f32.i32(float nofpclass(qnan) [[ARG0]], i32 [[ARG1]]) #[[ATTR9]]
; CHECK-NEXT: ret float [[CALL]]
;
%call = call float @llvm.powi.f32.i32(float %arg0, i32 %arg1)
@@ -140,7 +140,7 @@ define float @ret_powi_f32_no_qnan(float nofpclass(qnan) %arg0, i32 %arg1) #0 {
define float @ret_powi_f32_no_nan(float nofpclass(nan) %arg0, i32 %arg1) #0 {
; CHECK-LABEL: define nofpclass(nan) float @ret_powi_f32_no_nan
; CHECK-SAME: (float nofpclass(nan) [[ARG0:%.*]], i32 [[ARG1:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(nan) float @llvm.powi.f32.i32(float nofpclass(nan) [[ARG0]], i32 [[ARG1]]) #[[ATTR6]]
+; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(nan) float @llvm.powi.f32.i32(float nofpclass(nan) [[ARG0]], i32 [[ARG1]]) #[[ATTR9]]
; CHECK-NEXT: ret float [[CALL]]
;
%call = call float @llvm.powi.f32.i32(float %arg0, i32 %arg1)
@@ -150,7 +150,7 @@ define float @ret_powi_f32_no_nan(float nofpclass(nan) %arg0, i32 %arg1) #0 {
define float @ret_powi_f32_no_inf(float nofpclass(inf) %arg0, i32 %arg1) #0 {
; CHECK-LABEL: define float @ret_powi_f32_no_inf
; CHECK-SAME: (float nofpclass(inf) [[ARG0:%.*]], i32 [[ARG1:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT: [[CALL:%.*]] = call float @llvm.powi.f32.i32(float nofpclass(inf) [[ARG0]], i32 [[ARG1]]) #[[ATTR6]]
+; CHECK-NEXT: [[CALL:%.*]] = call float @llvm.powi.f32.i32(float nofpclass(inf) [[ARG0]], i32 [[ARG1]]) #[[ATTR9]]
; CHECK-NEXT: ret float [[CALL]]
;
%call = call float @llvm.powi.f32.i32(float %arg0, i32 %arg1)
@@ -160,7 +160,7 @@ define float @ret_powi_f32_no_inf(float nofpclass(inf) %arg0, i32 %arg1) #0 {
define float @ret_powi_f32_finite_exp_one(float nofpclass(inf) %arg0) #0 {
; CHECK-LABEL: define nofpclass(inf) float @ret_powi_f32_finite_exp_one
; CHECK-SAME: (float nofpclass(inf) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(inf) float @llvm.powi.f32.i32(float nofpclass(inf) [[ARG0]], i32 noundef 1) #[[ATTR6]]
+; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(inf) float @llvm.powi.f32.i32(float nofpclass(inf) [[ARG0]], i32 noundef 1) #[[ATTR9]]
; CHECK-NEXT: ret float [[CALL]]
;
%call = call float @llvm.powi.f32.i32(float %arg0, i32 1)
@@ -170,7 +170,7 @@ define float @ret_powi_f32_finite_exp_one(float nofpclass(inf) %arg0) #0 {
define float @ret_powi_f32_finite_exp_two(float nofpclass(nan inf) %arg0) #0 {
; CHECK-LABEL: define nofpclass(nan ninf nzero nsub nnorm) float @ret_powi_f32_finite_exp_two
; CHECK-SAME: (float nofpclass(nan inf) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(nan ninf nzero nsub nnorm) float @llvm.powi.f32.i32(float nofpclass(nan inf) [[ARG0]], i32 noundef 2) #[[ATTR6]]
+; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(nan ninf nzero nsub nnorm) float @llvm.powi.f32.i32(float nofpclass(nan inf) [[ARG0]], i32 noundef 2) #[[ATTR9]]
; CHECK-NEXT: ret float [[CALL]]
;
%call = call float @llvm.powi.f32.i32(float %arg0, i32 2)
@@ -180,7 +180,7 @@ define float @ret_powi_f32_finite_exp_two(float nofpclass(nan inf) %arg0) #0 {
define float @ret_powi_f32_normal_exp_neg_one(float nofpclass(inf zero sub) %arg0) #0 {
; CHECK-LABEL: define nofpclass(inf) float @ret_powi_f32_normal_exp_neg_one
; CHECK-SAME: (float nofpclass(inf zero sub) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(inf) float @llvm.powi.f32.i32(float nofpclass(inf zero sub) [[ARG0]], i32 noundef -1) #[[ATTR6]]
+; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(inf) float @llvm.powi.f32.i32(float nofpclass(inf zero sub) [[ARG0]], i32 noundef -1) #[[ATTR9]]
; CHECK-NEXT: ret float [[CALL]]
;
%call = call float @llvm.powi.f32.i32(float %arg0, i32 -1)
@@ -188,9 +188,9 @@ define float @ret_powi_f32_normal_exp_neg_one(float nofpclass(inf zero sub) %arg
}
define float @ret_powi_f32_inf_or_nan_exp_neg_one(float nofpclass(zero norm sub) %arg0) #0 {
-; CHECK-LABEL: define nofpclass(inf) float @ret_powi_f32_inf_or_nan_exp_neg_one
+; CHECK-LABEL: define nofpclass(inf nsub nnorm) float @ret_powi_f32_inf_or_nan_exp_neg_one
; CHECK-SAME: (float nofpclass(zero sub norm) [[ARG0:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(inf) float @llvm.powi.f32.i32(float nofpclass(zero sub norm) [[ARG0]], i32 noundef -1) #[[ATTR6]]
+; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(inf nsub nnorm) float @llvm.powi.f32.i32(float nofpclass(zero sub norm) [[ARG0]], i32 noundef -1) #[[ATTR9]]
; CHECK-NEXT: ret float [[CALL]]
;
%call = call float @llvm.powi.f32.i32(float %arg0, i32 -1)
@@ -198,10 +198,10 @@ define float @ret_powi_f32_inf_or_nan_exp_neg_one(float nofpclass(zero norm sub)
}
define float @ret_powi_f32_zero_or_nan_exp_nonnegative(float nofpclass(inf norm sub) %arg0, i32 %arg1) #0 {
-; CHECK-LABEL: define nofpclass(inf) float @ret_powi_f32_zero_or_nan_exp_nonnegative
+; CHECK-LABEL: define nofpclass(inf nsub nnorm) float @ret_powi_f32_zero_or_nan_exp_nonnegative
; CHECK-SAME: (float nofpclass(inf sub norm) [[ARG0:%.*]], i32 [[ARG1:%.*]]) #[[ATTR1]] {
; CHECK-NEXT: [[NONNEG:%.*]] = and i32 [[ARG1]], 2147483647
-; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(inf) float @llvm.powi.f32.i32(float nofpclass(inf sub norm) [[ARG0]], i32 [[NONNEG]]) #[[ATTR6]]
+; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(inf nsub nnorm) float @llvm.powi.f32.i32(float nofpclass(inf sub norm) [[ARG0]], i32 [[NONNEG]]) #[[ATTR9]]
; CHECK-NEXT: ret float [[CALL]]
;
%nonneg = and i32 %arg1, 2147483647
@@ -212,7 +212,7 @@ define float @ret_powi_f32_zero_or_nan_exp_nonnegative(float nofpclass(inf norm
define float @ret_powi_f32_no_nan_inf(float nofpclass(nan inf) %arg0, i32 %arg1) #0 {
; CHECK-LABEL: define nofpclass(nan) float @ret_powi_f32_no_nan_inf
; CHECK-SAME: (float nofpclass(nan inf) [[ARG0:%.*]], i32 [[ARG1:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(nan) float @llvm.powi.f32.i32(float nofpclass(nan inf) [[ARG0]], i32 [[ARG1]]) #[[ATTR6]]
+; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(nan) float @llvm.powi.f32.i32(float nofpclass(nan inf) [[ARG0]], i32 [[ARG1]]) #[[ATTR9]]
; CHECK-NEXT: ret float [[CALL]]
;
%call = call float @llvm.powi.f32.i32(float %arg0, i32 %arg1)
@@ -222,7 +222,7 @@ define float @ret_powi_f32_no_nan_inf(float nofpclass(nan inf) %arg0, i32 %arg1)
define float @ret_powi_f32_no_nan__arg1_non0(float nofpclass(nan) %arg0, i32 range(i32 1, 256) %arg1) #0 {
; CHECK-LABEL: define nofpclass(nan) float @ret_powi_f32_no_nan__arg1_non0
; CHECK-SAME: (float nofpclass(nan) [[ARG0:%.*]], i32 range(i32 1, 256) [[ARG1:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(nan) float @llvm.powi.f32.i32(float nofpclass(nan) [[ARG0]], i32 [[ARG1]]) #[[ATTR6]]
+; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(nan) float @llvm.powi.f32.i32(float nofpclass(nan) [[ARG0]], i32 [[ARG1]]) #[[ATTR9]]
; CHECK-NEXT: ret float [[CALL]]
;
%call = call float @llvm.powi.f32.i32(float %arg0, i32 %arg1)
@@ -232,7 +232,7 @@ define float @ret_powi_f32_no_nan__arg1_non0(float nofpclass(nan) %arg0, i32 ran
define float @ret_powi_f32_no_nan_no_zero__arg1_non0(float nofpclass(nan zero) %arg0, i32 range(i32 1, 256) %arg1) #0 {
; CHECK-LABEL: define nofpclass(nan) float @ret_powi_f32_no_nan_no_zero__arg1_non0
; CHECK-SAME: (float nofpclass(nan zero) [[ARG0:%.*]], i32 range(i32 1, 256) [[ARG1:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(nan) float @llvm.powi.f32.i32(float nofpclass(nan zero) [[ARG0]], i32 [[ARG1]]) #[[ATTR6]]
+; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(nan) float @llvm.powi.f32.i32(float nofpclass(nan zero) [[ARG0]], i32 [[ARG1]]) #[[ATTR9]]
; CHECK-NEXT: ret float [[CALL]]
;
%call = call float @llvm.powi.f32.i32(float %arg0, i32 %arg1)
@@ -242,7 +242,7 @@ define float @ret_powi_f32_no_nan_no_zero__arg1_non0(float nofpclass(nan zero) %
define float @ret_powi_f32_no_nan_no_zero__arg1__ieee(float nofpclass(nan zero) %arg0, i32 %arg1) #0 {
; CHECK-LABEL: define nofpclass(nan) float @ret_powi_f32_no_nan_no_zero__arg1__ieee
; CHECK-SAME: (float nofpclass(nan zero) [[ARG0:%.*]], i32 [[ARG1:%.*]]) #[[ATTR1]] {
-; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(nan) float @llvm.powi.f32.i32(float nofpclass(nan zero) [[ARG0]], i32 [[ARG1]]) #[[ATTR6]]
+; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(nan) float @llvm.powi.f32.i32(float nofpclass(nan zero) [[ARG0]], i32 [[ARG1]]) #[[ATTR9]]
; CHECK-NEXT: ret float [[CALL]]
;
%call = call float @llvm.powi.f32.i32(float %arg0, i32 %arg1)
@@ -252,7 +252,7 @@ define float @ret_powi_f32_no_nan_no_zero__arg1__ieee(float nofpclass(nan zero)
define float @ret_powi_f32_no_nan_no_zero__arg1__daz(float nofpclass(nan zero) %arg0, i32 %arg1) #1 {
; CHECK-LABEL: define nofpclass(nan) float @ret_powi_f32_no_nan_no_zero__arg1__daz
; CHECK-SAME: (float nofpclass(nan zero) [[ARG0:%.*]], i32 [[ARG1:%.*]]) #[[ATTR2:[0-9]+]] {
-; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(nan) float @llvm.powi.f32.i32(float nofpclass(nan zero) [[ARG0]], i32 [[ARG1]]) #[[ATTR6]]
+; CHECK-NEXT: [[CALL:%.*]] = call nofpclass(nan) float @llvm.powi.f32.i32(float nofpclass(nan zero) [[ARG0]], i32 [[ARG1]]) #[[ATTR9]]
; CHECK-NEXT: ret float [[CALL]]
;
%call = call float @llvm.powi.f32.i32(float %arg0, i32 %arg1)
@@ -262,7 +262,7 @@ define float @ret_powi_f32_no_nan_no_zero__arg1__daz(float nofpclass(nan zero) %
define float...
[truncated]
``````````
</details>
https://github.com/llvm/llvm-project/pull/218581
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