81 changes: 59 additions & 22 deletions llvm/test/CodeGen/X86/fp-intrinsics.ll
View file
Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
; RUN: llc -O3 -mtriple=x86_64-pc-linux < %s | FileCheck %s
; RUN: llc -O3 -mtriple=x86_64-pc-linux < %s | FileCheck --check-prefix=COMMON --check-prefix=NO-FMA --check-prefix=FMACALL64 --check-prefix=FMACALL32 %s
; RUN: llc -O3 -mtriple=x86_64-pc-linux -mattr=+fma < %s | FileCheck -check-prefix=COMMON --check-prefix=HAS-FMA --check-prefix=FMA64 --check-prefix=FMA32 %s

; Verify that constants aren't folded to inexact results when the rounding mode
; is unknown.
Expand All @@ -9,7 +10,7 @@
; }
;
; CHECK-LABEL: f1
; CHECK: divsd
; COMMON: divsd
define double @f1() {
entry:
%div = call double @llvm.experimental.constrained.fdiv.f64(
Expand All @@ -29,7 +30,7 @@ entry:
; }
;
; CHECK-LABEL: f2
; CHECK: subsd
; COMMON: subsd
define double @f2(double %a) {
entry:
%div = call double @llvm.experimental.constrained.fsub.f64(
Expand All @@ -50,9 +51,9 @@ entry:
; }
;
; CHECK-LABEL: f3:
; CHECK: subsd
; CHECK: mulsd
; CHECK: subsd
; COMMON: subsd
; COMMON: mulsd
; COMMON: subsd
define double @f3(double %a, double %b) {
entry:
%sub = call double @llvm.experimental.constrained.fsub.f64(
Expand Down Expand Up @@ -81,11 +82,11 @@ entry:
; return a;
; }
;
;
;
; CHECK-LABEL: f4:
; CHECK: testl
; CHECK: jle
; CHECK: addsd
; COMMON: testl
; COMMON: jle
; COMMON: addsd
define double @f4(i32 %n, double %a) {
entry:
%cmp = icmp sgt i32 %n, 0
Expand All @@ -105,7 +106,7 @@ if.end:

; Verify that sqrt(42.0) isn't simplified when the rounding mode is unknown.
; CHECK-LABEL: f5
; CHECK: sqrtsd
; COMMON: sqrtsd
define double @f5() {
entry:
%result = call double @llvm.experimental.constrained.sqrt.f64(double 42.0,
Expand All @@ -116,7 +117,7 @@ entry:

; Verify that pow(42.1, 3.0) isn't simplified when the rounding mode is unknown.
; CHECK-LABEL: f6
; CHECK: pow
; COMMON: pow
define double @f6() {
entry:
%result = call double @llvm.experimental.constrained.pow.f64(double 42.1,
Expand All @@ -128,7 +129,7 @@ entry:

; Verify that powi(42.1, 3) isn't simplified when the rounding mode is unknown.
; CHECK-LABEL: f7
; CHECK: powi
; COMMON: powi
define double @f7() {
entry:
%result = call double @llvm.experimental.constrained.powi.f64(double 42.1,
Expand All @@ -140,7 +141,7 @@ entry:

; Verify that sin(42.0) isn't simplified when the rounding mode is unknown.
; CHECK-LABEL: f8
; CHECK: sin
; COMMON: sin
define double @f8() {
entry:
%result = call double @llvm.experimental.constrained.sin.f64(double 42.0,
Expand All @@ -151,7 +152,7 @@ entry:

; Verify that cos(42.0) isn't simplified when the rounding mode is unknown.
; CHECK-LABEL: f9
; CHECK: cos
; COMMON: cos
define double @f9() {
entry:
%result = call double @llvm.experimental.constrained.cos.f64(double 42.0,
Expand All @@ -162,7 +163,7 @@ entry:

; Verify that exp(42.0) isn't simplified when the rounding mode is unknown.
; CHECK-LABEL: f10
; CHECK: exp
; COMMON: exp
define double @f10() {
entry:
%result = call double @llvm.experimental.constrained.exp.f64(double 42.0,
Expand All @@ -173,7 +174,7 @@ entry:

; Verify that exp2(42.1) isn't simplified when the rounding mode is unknown.
; CHECK-LABEL: f11
; CHECK: exp2
; COMMON: exp2
define double @f11() {
entry:
%result = call double @llvm.experimental.constrained.exp2.f64(double 42.1,
Expand All @@ -184,7 +185,7 @@ entry:

; Verify that log(42.0) isn't simplified when the rounding mode is unknown.
; CHECK-LABEL: f12
; CHECK: log
; COMMON: log
define double @f12() {
entry:
%result = call double @llvm.experimental.constrained.log.f64(double 42.0,
Expand All @@ -195,7 +196,7 @@ entry:

; Verify that log10(42.0) isn't simplified when the rounding mode is unknown.
; CHECK-LABEL: f13
; CHECK: log10
; COMMON: log10
define double @f13() {
entry:
%result = call double @llvm.experimental.constrained.log10.f64(double 42.0,
Expand All @@ -206,7 +207,7 @@ entry:

; Verify that log2(42.0) isn't simplified when the rounding mode is unknown.
; CHECK-LABEL: f14
; CHECK: log2
; COMMON: log2
define double @f14() {
entry:
%result = call double @llvm.experimental.constrained.log2.f64(double 42.0,
Expand All @@ -217,7 +218,8 @@ entry:

; Verify that rint(42.1) isn't simplified when the rounding mode is unknown.
; CHECK-LABEL: f15
; CHECK: rint
; NO-FMA: rint
; HAS-FMA: vroundsd
define double @f15() {
entry:
%result = call double @llvm.experimental.constrained.rint.f64(double 42.1,
Expand All @@ -229,7 +231,8 @@ entry:
; Verify that nearbyint(42.1) isn't simplified when the rounding mode is
; unknown.
; CHECK-LABEL: f16
; CHECK: nearbyint
; NO-FMA: nearbyint
; HAS-FMA: vroundsd
define double @f16() {
entry:
%result = call double @llvm.experimental.constrained.nearbyint.f64(
Expand All @@ -239,6 +242,38 @@ entry:
ret double %result
}

; Verify that fma(3.5) isn't simplified when the rounding mode is
; unknown.
; CHECK-LABEL: f17
; FMACALL32: jmp fmaf # TAILCALL
; FMA32: vfmadd213ss
define float @f17() {
entry:
%result = call float @llvm.experimental.constrained.fma.f32(
float 3.5,
float 3.5,
float 3.5,
metadata !"round.dynamic",
metadata !"fpexcept.strict")
ret float %result
}

; Verify that fma(42.1) isn't simplified when the rounding mode is
; unknown.
; CHECK-LABEL: f18
; FMACALL64: jmp fma # TAILCALL
; FMA64: vfmadd213sd
define double @f18() {
entry:
%result = call double @llvm.experimental.constrained.fma.f64(
double 42.1,
double 42.1,
double 42.1,
metadata !"round.dynamic",
metadata !"fpexcept.strict")
ret double %result
}

@llvm.fp.env = thread_local global i8 zeroinitializer, section "llvm.metadata"
declare double @llvm.experimental.constrained.fdiv.f64(double, double, metadata, metadata)
declare double @llvm.experimental.constrained.fmul.f64(double, double, metadata, metadata)
Expand All @@ -256,3 +291,5 @@ declare double @llvm.experimental.constrained.log10.f64(double, metadata, metada
declare double @llvm.experimental.constrained.log2.f64(double, metadata, metadata)
declare double @llvm.experimental.constrained.rint.f64(double, metadata, metadata)
declare double @llvm.experimental.constrained.nearbyint.f64(double, metadata, metadata)
declare float @llvm.experimental.constrained.fma.f32(float, float, float, metadata, metadata)
declare double @llvm.experimental.constrained.fma.f64(double, double, double, metadata, metadata)
16 changes: 14 additions & 2 deletions llvm/test/Feature/fp-intrinsics.ll
View file
Original file line number Diff line number Diff line change
Expand Up @@ -73,7 +73,7 @@ entry:
; return a;
; }
;
;
;
; CHECK-LABEL: @f4
; CHECK-NOT: select
; CHECK: br i1 %cmp
Expand All @@ -94,7 +94,6 @@ if.end:
ret double %a.0
}


; Verify that sqrt(42.0) isn't simplified when the rounding mode is unknown.
; CHECK-LABEL: f5
; CHECK: call double @llvm.experimental.constrained.sqrt
Expand Down Expand Up @@ -231,6 +230,18 @@ entry:
ret double %result
}

; Verify that fma(42.1) isn't simplified when the rounding mode is
; unknown.
; CHECK-LABEL: f17
; CHECK: call double @llvm.experimental.constrained.fma
define double @f17() {
entry:
%result = call double @llvm.experimental.constrained.fma.f64(double 42.1, double 42.1, double 42.1,
metadata !"round.dynamic",
metadata !"fpexcept.strict")
ret double %result
}

@llvm.fp.env = thread_local global i8 zeroinitializer, section "llvm.metadata"
declare double @llvm.experimental.constrained.fdiv.f64(double, double, metadata, metadata)
declare double @llvm.experimental.constrained.fmul.f64(double, double, metadata, metadata)
Expand All @@ -248,3 +259,4 @@ declare double @llvm.experimental.constrained.log10.f64(double, metadata, metada
declare double @llvm.experimental.constrained.log2.f64(double, metadata, metadata)
declare double @llvm.experimental.constrained.rint.f64(double, metadata, metadata)
declare double @llvm.experimental.constrained.nearbyint.f64(double, metadata, metadata)
declare double @llvm.experimental.constrained.fma.f64(double, double, double, metadata, metadata)