Differential D67925 Diff 223241 llvm/trunk/test/CodeGen/SystemZ/fp-strict-mul-04.ll

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llvm/trunk/test/CodeGen/SystemZ/fp-strict-mul-04.ll

; Test strict multiplication of two f64s, producing an f128 result.		; Test strict multiplication of two f64s, producing an f128 result.
; FIXME: we do not have a strict version of fpext yet		; FIXME: we do not have a strict version of fpext yet
;		;
; RUN: llc < %s -mtriple=s390x-linux-gnu \| FileCheck %s		; RUN: llc < %s -mtriple=s390x-linux-gnu \| FileCheck %s

declare fp128 @llvm.experimental.constrained.fmul.f128(fp128, fp128, metadata, metadata)		declare fp128 @llvm.experimental.constrained.fmul.f128(fp128, fp128, metadata, metadata)

declare double @foo()		declare double @foo()

; Check register multiplication. "mxdbr %f0, %f2" is not valid from LLVM's		; Check register multiplication. "mxdbr %f0, %f2" is not valid from LLVM's
; point of view, because %f2 is the low register of the FP128 %f0. Pass the		; point of view, because %f2 is the low register of the FP128 %f0. Pass the
; multiplier in %f4 instead.		; multiplier in %f4 instead.
define void @f1(double %f1, double %dummy, double %f2, fp128 *%dst) {		define void @f1(double %f1, double %dummy, double %f2, fp128 *%dst) #0 {
; CHECK-LABEL: f1:		; CHECK-LABEL: f1:
; CHECK: mxdbr %f0, %f4		; CHECK: mxdbr %f0, %f4
; CHECK: std %f0, 0(%r2)		; CHECK: std %f0, 0(%r2)
; CHECK: std %f2, 8(%r2)		; CHECK: std %f2, 8(%r2)
; CHECK: br %r14		; CHECK: br %r14
%f1x = fpext double %f1 to fp128		%f1x = fpext double %f1 to fp128
%f2x = fpext double %f2 to fp128		%f2x = fpext double %f2 to fp128
%res = call fp128 @llvm.experimental.constrained.fmul.f128(		%res = call fp128 @llvm.experimental.constrained.fmul.f128(
fp128 %f1x, fp128 %f2x,		fp128 %f1x, fp128 %f2x,
metadata !"round.dynamic",		metadata !"round.dynamic",
metadata !"fpexcept.strict")		metadata !"fpexcept.strict") #0
store fp128 %res, fp128 *%dst		store fp128 %res, fp128 *%dst
ret void		ret void
}		}

; Check the low end of the MXDB range.		; Check the low end of the MXDB range.
define void @f2(double %f1, double %ptr, fp128 %dst) {		define void @f2(double %f1, double %ptr, fp128 %dst) #0 {
; CHECK-LABEL: f2:		; CHECK-LABEL: f2:
; CHECK: mxdb %f0, 0(%r2)		; CHECK: mxdb %f0, 0(%r2)
; CHECK: std %f0, 0(%r3)		; CHECK: std %f0, 0(%r3)
; CHECK: std %f2, 8(%r3)		; CHECK: std %f2, 8(%r3)
; CHECK: br %r14		; CHECK: br %r14
%f2 = load double, double *%ptr		%f2 = load double, double *%ptr
%f1x = fpext double %f1 to fp128		%f1x = fpext double %f1 to fp128
%f2x = fpext double %f2 to fp128		%f2x = fpext double %f2 to fp128
%res = call fp128 @llvm.experimental.constrained.fmul.f128(		%res = call fp128 @llvm.experimental.constrained.fmul.f128(
fp128 %f1x, fp128 %f2x,		fp128 %f1x, fp128 %f2x,
metadata !"round.dynamic",		metadata !"round.dynamic",
metadata !"fpexcept.strict")		metadata !"fpexcept.strict") #0
store fp128 %res, fp128 *%dst		store fp128 %res, fp128 *%dst
ret void		ret void
}		}

; Check the high end of the aligned MXDB range.		; Check the high end of the aligned MXDB range.
define void @f3(double %f1, double %base, fp128 %dst) {		define void @f3(double %f1, double %base, fp128 %dst) #0 {
; CHECK-LABEL: f3:		; CHECK-LABEL: f3:
; CHECK: mxdb %f0, 4088(%r2)		; CHECK: mxdb %f0, 4088(%r2)
; CHECK: std %f0, 0(%r3)		; CHECK: std %f0, 0(%r3)
; CHECK: std %f2, 8(%r3)		; CHECK: std %f2, 8(%r3)
; CHECK: br %r14		; CHECK: br %r14
%ptr = getelementptr double, double *%base, i64 511		%ptr = getelementptr double, double *%base, i64 511
%f2 = load double, double *%ptr		%f2 = load double, double *%ptr
%f1x = fpext double %f1 to fp128		%f1x = fpext double %f1 to fp128
%f2x = fpext double %f2 to fp128		%f2x = fpext double %f2 to fp128
%res = call fp128 @llvm.experimental.constrained.fmul.f128(		%res = call fp128 @llvm.experimental.constrained.fmul.f128(
fp128 %f1x, fp128 %f2x,		fp128 %f1x, fp128 %f2x,
metadata !"round.dynamic",		metadata !"round.dynamic",
metadata !"fpexcept.strict")		metadata !"fpexcept.strict") #0
store fp128 %res, fp128 *%dst		store fp128 %res, fp128 *%dst
ret void		ret void
}		}

; Check the next doubleword up, which needs separate address logic.		; Check the next doubleword up, which needs separate address logic.
; Other sequences besides this one would be OK.		; Other sequences besides this one would be OK.
define void @f4(double %f1, double %base, fp128 %dst) {		define void @f4(double %f1, double %base, fp128 %dst) #0 {
; CHECK-LABEL: f4:		; CHECK-LABEL: f4:
; CHECK: aghi %r2, 4096		; CHECK: aghi %r2, 4096
; CHECK: mxdb %f0, 0(%r2)		; CHECK: mxdb %f0, 0(%r2)
; CHECK: std %f0, 0(%r3)		; CHECK: std %f0, 0(%r3)
; CHECK: std %f2, 8(%r3)		; CHECK: std %f2, 8(%r3)
; CHECK: br %r14		; CHECK: br %r14
%ptr = getelementptr double, double *%base, i64 512		%ptr = getelementptr double, double *%base, i64 512
%f2 = load double, double *%ptr		%f2 = load double, double *%ptr
%f1x = fpext double %f1 to fp128		%f1x = fpext double %f1 to fp128
%f2x = fpext double %f2 to fp128		%f2x = fpext double %f2 to fp128
%res = call fp128 @llvm.experimental.constrained.fmul.f128(		%res = call fp128 @llvm.experimental.constrained.fmul.f128(
fp128 %f1x, fp128 %f2x,		fp128 %f1x, fp128 %f2x,
metadata !"round.dynamic",		metadata !"round.dynamic",
metadata !"fpexcept.strict")		metadata !"fpexcept.strict") #0
store fp128 %res, fp128 *%dst		store fp128 %res, fp128 *%dst
ret void		ret void
}		}

; Check negative displacements, which also need separate address logic.		; Check negative displacements, which also need separate address logic.
define void @f5(double %f1, double %base, fp128 %dst) {		define void @f5(double %f1, double %base, fp128 %dst) #0 {
; CHECK-LABEL: f5:		; CHECK-LABEL: f5:
; CHECK: aghi %r2, -8		; CHECK: aghi %r2, -8
; CHECK: mxdb %f0, 0(%r2)		; CHECK: mxdb %f0, 0(%r2)
; CHECK: std %f0, 0(%r3)		; CHECK: std %f0, 0(%r3)
; CHECK: std %f2, 8(%r3)		; CHECK: std %f2, 8(%r3)
; CHECK: br %r14		; CHECK: br %r14
%ptr = getelementptr double, double *%base, i64 -1		%ptr = getelementptr double, double *%base, i64 -1
%f2 = load double, double *%ptr		%f2 = load double, double *%ptr
%f1x = fpext double %f1 to fp128		%f1x = fpext double %f1 to fp128
%f2x = fpext double %f2 to fp128		%f2x = fpext double %f2 to fp128
%res = call fp128 @llvm.experimental.constrained.fmul.f128(		%res = call fp128 @llvm.experimental.constrained.fmul.f128(
fp128 %f1x, fp128 %f2x,		fp128 %f1x, fp128 %f2x,
metadata !"round.dynamic",		metadata !"round.dynamic",
metadata !"fpexcept.strict")		metadata !"fpexcept.strict") #0
store fp128 %res, fp128 *%dst		store fp128 %res, fp128 *%dst
ret void		ret void
}		}

; Check that MXDB allows indices.		; Check that MXDB allows indices.
define void @f6(double %f1, double %base, i64 %index, fp128 %dst) {		define void @f6(double %f1, double %base, i64 %index, fp128 %dst) #0 {
; CHECK-LABEL: f6:		; CHECK-LABEL: f6:
; CHECK: sllg %r1, %r3, 3		; CHECK: sllg %r1, %r3, 3
; CHECK: mxdb %f0, 800(%r1,%r2)		; CHECK: mxdb %f0, 800(%r1,%r2)
; CHECK: std %f0, 0(%r4)		; CHECK: std %f0, 0(%r4)
; CHECK: std %f2, 8(%r4)		; CHECK: std %f2, 8(%r4)
; CHECK: br %r14		; CHECK: br %r14
%ptr1 = getelementptr double, double *%base, i64 %index		%ptr1 = getelementptr double, double *%base, i64 %index
%ptr2 = getelementptr double, double *%ptr1, i64 100		%ptr2 = getelementptr double, double *%ptr1, i64 100
%f2 = load double, double *%ptr2		%f2 = load double, double *%ptr2
%f1x = fpext double %f1 to fp128		%f1x = fpext double %f1 to fp128
%f2x = fpext double %f2 to fp128		%f2x = fpext double %f2 to fp128
%res = call fp128 @llvm.experimental.constrained.fmul.f128(		%res = call fp128 @llvm.experimental.constrained.fmul.f128(
fp128 %f1x, fp128 %f2x,		fp128 %f1x, fp128 %f2x,
metadata !"round.dynamic",		metadata !"round.dynamic",
metadata !"fpexcept.strict")		metadata !"fpexcept.strict") #0
store fp128 %res, fp128 *%dst		store fp128 %res, fp128 *%dst
ret void		ret void
}		}

; Check that multiplications of spilled values can use MXDB rather than MXDBR.		; Check that multiplications of spilled values can use MXDB rather than MXDBR.
define double @f7(double *%ptr0) {		define double @f7(double *%ptr0) #0 {
; CHECK-LABEL: f7:		; CHECK-LABEL: f7:
; CHECK: brasl %r14, foo@PLT		; CHECK: brasl %r14, foo@PLT
; CHECK: mxdb %f0, 160(%r15)		; CHECK: mxdb %f0, 160(%r15)
; CHECK: br %r14		; CHECK: br %r14
%ptr1 = getelementptr double, double *%ptr0, i64 2		%ptr1 = getelementptr double, double *%ptr0, i64 2
%ptr2 = getelementptr double, double *%ptr0, i64 4		%ptr2 = getelementptr double, double *%ptr0, i64 4
%ptr3 = getelementptr double, double *%ptr0, i64 6		%ptr3 = getelementptr double, double *%ptr0, i64 6
%ptr4 = getelementptr double, double *%ptr0, i64 8		%ptr4 = getelementptr double, double *%ptr0, i64 8
Show All 35 Lines	; CHECK: br %r14
store double %frob4, double *%ptr4		store double %frob4, double *%ptr4
store double %frob5, double *%ptr5		store double %frob5, double *%ptr5
store double %frob6, double *%ptr6		store double %frob6, double *%ptr6
store double %frob7, double *%ptr7		store double %frob7, double *%ptr7
store double %frob8, double *%ptr8		store double %frob8, double *%ptr8
store double %frob9, double *%ptr9		store double %frob9, double *%ptr9
store double %frob10, double *%ptr10		store double %frob10, double *%ptr10

%ret = call double @foo()		%ret = call double @foo() #0

%accext0 = fpext double %ret to fp128		%accext0 = fpext double %ret to fp128
%ext0 = fpext double %frob0 to fp128		%ext0 = fpext double %frob0 to fp128
%mul0 = call fp128 @llvm.experimental.constrained.fmul.f128(		%mul0 = call fp128 @llvm.experimental.constrained.fmul.f128(
fp128 %accext0, fp128 %ext0,		fp128 %accext0, fp128 %ext0,
metadata !"round.dynamic",		metadata !"round.dynamic",
metadata !"fpexcept.strict")		metadata !"fpexcept.strict") #0
%const0 = fpext double 1.01 to fp128		%const0 = fpext double 1.01 to fp128
%extra0 = call fp128 @llvm.experimental.constrained.fmul.f128(		%extra0 = call fp128 @llvm.experimental.constrained.fmul.f128(
fp128 %mul0, fp128 %const0,		fp128 %mul0, fp128 %const0,
metadata !"round.dynamic",		metadata !"round.dynamic",
metadata !"fpexcept.strict")		metadata !"fpexcept.strict") #0
%trunc0 = fptrunc fp128 %extra0 to double		%trunc0 = fptrunc fp128 %extra0 to double

%accext1 = fpext double %trunc0 to fp128		%accext1 = fpext double %trunc0 to fp128
%ext1 = fpext double %frob1 to fp128		%ext1 = fpext double %frob1 to fp128
%mul1 = call fp128 @llvm.experimental.constrained.fmul.f128(		%mul1 = call fp128 @llvm.experimental.constrained.fmul.f128(
fp128 %accext1, fp128 %ext1,		fp128 %accext1, fp128 %ext1,
metadata !"round.dynamic",		metadata !"round.dynamic",
metadata !"fpexcept.strict")		metadata !"fpexcept.strict") #0
%const1 = fpext double 1.11 to fp128		%const1 = fpext double 1.11 to fp128
%extra1 = call fp128 @llvm.experimental.constrained.fmul.f128(		%extra1 = call fp128 @llvm.experimental.constrained.fmul.f128(
fp128 %mul1, fp128 %const1,		fp128 %mul1, fp128 %const1,
metadata !"round.dynamic",		metadata !"round.dynamic",
metadata !"fpexcept.strict")		metadata !"fpexcept.strict") #0
%trunc1 = fptrunc fp128 %extra1 to double		%trunc1 = fptrunc fp128 %extra1 to double

%accext2 = fpext double %trunc1 to fp128		%accext2 = fpext double %trunc1 to fp128
%ext2 = fpext double %frob2 to fp128		%ext2 = fpext double %frob2 to fp128
%mul2 = call fp128 @llvm.experimental.constrained.fmul.f128(		%mul2 = call fp128 @llvm.experimental.constrained.fmul.f128(
fp128 %accext2, fp128 %ext2,		fp128 %accext2, fp128 %ext2,
metadata !"round.dynamic",		metadata !"round.dynamic",
metadata !"fpexcept.strict")		metadata !"fpexcept.strict") #0
%const2 = fpext double 1.21 to fp128		%const2 = fpext double 1.21 to fp128
%extra2 = call fp128 @llvm.experimental.constrained.fmul.f128(		%extra2 = call fp128 @llvm.experimental.constrained.fmul.f128(
fp128 %mul2, fp128 %const2,		fp128 %mul2, fp128 %const2,
metadata !"round.dynamic",		metadata !"round.dynamic",
metadata !"fpexcept.strict")		metadata !"fpexcept.strict") #0
%trunc2 = fptrunc fp128 %extra2 to double		%trunc2 = fptrunc fp128 %extra2 to double

%accext3 = fpext double %trunc2 to fp128		%accext3 = fpext double %trunc2 to fp128
%ext3 = fpext double %frob3 to fp128		%ext3 = fpext double %frob3 to fp128
%mul3 = call fp128 @llvm.experimental.constrained.fmul.f128(		%mul3 = call fp128 @llvm.experimental.constrained.fmul.f128(
fp128 %accext3, fp128 %ext3,		fp128 %accext3, fp128 %ext3,
metadata !"round.dynamic",		metadata !"round.dynamic",
metadata !"fpexcept.strict")		metadata !"fpexcept.strict") #0
%const3 = fpext double 1.31 to fp128		%const3 = fpext double 1.31 to fp128
%extra3 = call fp128 @llvm.experimental.constrained.fmul.f128(		%extra3 = call fp128 @llvm.experimental.constrained.fmul.f128(
fp128 %mul3, fp128 %const3,		fp128 %mul3, fp128 %const3,
metadata !"round.dynamic",		metadata !"round.dynamic",
metadata !"fpexcept.strict")		metadata !"fpexcept.strict") #0
%trunc3 = fptrunc fp128 %extra3 to double		%trunc3 = fptrunc fp128 %extra3 to double

%accext4 = fpext double %trunc3 to fp128		%accext4 = fpext double %trunc3 to fp128
%ext4 = fpext double %frob4 to fp128		%ext4 = fpext double %frob4 to fp128
%mul4 = call fp128 @llvm.experimental.constrained.fmul.f128(		%mul4 = call fp128 @llvm.experimental.constrained.fmul.f128(
fp128 %accext4, fp128 %ext4,		fp128 %accext4, fp128 %ext4,
metadata !"round.dynamic",		metadata !"round.dynamic",
metadata !"fpexcept.strict")		metadata !"fpexcept.strict") #0
%const4 = fpext double 1.41 to fp128		%const4 = fpext double 1.41 to fp128
%extra4 = call fp128 @llvm.experimental.constrained.fmul.f128(		%extra4 = call fp128 @llvm.experimental.constrained.fmul.f128(
fp128 %mul4, fp128 %const4,		fp128 %mul4, fp128 %const4,
metadata !"round.dynamic",		metadata !"round.dynamic",
metadata !"fpexcept.strict")		metadata !"fpexcept.strict") #0
%trunc4 = fptrunc fp128 %extra4 to double		%trunc4 = fptrunc fp128 %extra4 to double

%accext5 = fpext double %trunc4 to fp128		%accext5 = fpext double %trunc4 to fp128
%ext5 = fpext double %frob5 to fp128		%ext5 = fpext double %frob5 to fp128
%mul5 = call fp128 @llvm.experimental.constrained.fmul.f128(		%mul5 = call fp128 @llvm.experimental.constrained.fmul.f128(
fp128 %accext5, fp128 %ext5,		fp128 %accext5, fp128 %ext5,
metadata !"round.dynamic",		metadata !"round.dynamic",
metadata !"fpexcept.strict")		metadata !"fpexcept.strict") #0
%const5 = fpext double 1.51 to fp128		%const5 = fpext double 1.51 to fp128
%extra5 = call fp128 @llvm.experimental.constrained.fmul.f128(		%extra5 = call fp128 @llvm.experimental.constrained.fmul.f128(
fp128 %mul5, fp128 %const5,		fp128 %mul5, fp128 %const5,
metadata !"round.dynamic",		metadata !"round.dynamic",
metadata !"fpexcept.strict")		metadata !"fpexcept.strict") #0
%trunc5 = fptrunc fp128 %extra5 to double		%trunc5 = fptrunc fp128 %extra5 to double

%accext6 = fpext double %trunc5 to fp128		%accext6 = fpext double %trunc5 to fp128
%ext6 = fpext double %frob6 to fp128		%ext6 = fpext double %frob6 to fp128
%mul6 = call fp128 @llvm.experimental.constrained.fmul.f128(		%mul6 = call fp128 @llvm.experimental.constrained.fmul.f128(
fp128 %accext6, fp128 %ext6,		fp128 %accext6, fp128 %ext6,
metadata !"round.dynamic",		metadata !"round.dynamic",
metadata !"fpexcept.strict")		metadata !"fpexcept.strict") #0
%const6 = fpext double 1.61 to fp128		%const6 = fpext double 1.61 to fp128
%extra6 = call fp128 @llvm.experimental.constrained.fmul.f128(		%extra6 = call fp128 @llvm.experimental.constrained.fmul.f128(
fp128 %mul6, fp128 %const6,		fp128 %mul6, fp128 %const6,
metadata !"round.dynamic",		metadata !"round.dynamic",
metadata !"fpexcept.strict")		metadata !"fpexcept.strict") #0
%trunc6 = fptrunc fp128 %extra6 to double		%trunc6 = fptrunc fp128 %extra6 to double

%accext7 = fpext double %trunc6 to fp128		%accext7 = fpext double %trunc6 to fp128
%ext7 = fpext double %frob7 to fp128		%ext7 = fpext double %frob7 to fp128
%mul7 = call fp128 @llvm.experimental.constrained.fmul.f128(		%mul7 = call fp128 @llvm.experimental.constrained.fmul.f128(
fp128 %accext7, fp128 %ext7,		fp128 %accext7, fp128 %ext7,
metadata !"round.dynamic",		metadata !"round.dynamic",
metadata !"fpexcept.strict")		metadata !"fpexcept.strict") #0
%const7 = fpext double 1.71 to fp128		%const7 = fpext double 1.71 to fp128
%extra7 = call fp128 @llvm.experimental.constrained.fmul.f128(		%extra7 = call fp128 @llvm.experimental.constrained.fmul.f128(
fp128 %mul7, fp128 %const7,		fp128 %mul7, fp128 %const7,
metadata !"round.dynamic",		metadata !"round.dynamic",
metadata !"fpexcept.strict")		metadata !"fpexcept.strict") #0
%trunc7 = fptrunc fp128 %extra7 to double		%trunc7 = fptrunc fp128 %extra7 to double

%accext8 = fpext double %trunc7 to fp128		%accext8 = fpext double %trunc7 to fp128
%ext8 = fpext double %frob8 to fp128		%ext8 = fpext double %frob8 to fp128
%mul8 = call fp128 @llvm.experimental.constrained.fmul.f128(		%mul8 = call fp128 @llvm.experimental.constrained.fmul.f128(
fp128 %accext8, fp128 %ext8,		fp128 %accext8, fp128 %ext8,
metadata !"round.dynamic",		metadata !"round.dynamic",
metadata !"fpexcept.strict")		metadata !"fpexcept.strict") #0
%const8 = fpext double 1.81 to fp128		%const8 = fpext double 1.81 to fp128
%extra8 = call fp128 @llvm.experimental.constrained.fmul.f128(		%extra8 = call fp128 @llvm.experimental.constrained.fmul.f128(
fp128 %mul8, fp128 %const8,		fp128 %mul8, fp128 %const8,
metadata !"round.dynamic",		metadata !"round.dynamic",
metadata !"fpexcept.strict")		metadata !"fpexcept.strict") #0
%trunc8 = fptrunc fp128 %extra8 to double		%trunc8 = fptrunc fp128 %extra8 to double

%accext9 = fpext double %trunc8 to fp128		%accext9 = fpext double %trunc8 to fp128
%ext9 = fpext double %frob9 to fp128		%ext9 = fpext double %frob9 to fp128
%mul9 = call fp128 @llvm.experimental.constrained.fmul.f128(		%mul9 = call fp128 @llvm.experimental.constrained.fmul.f128(
fp128 %accext9, fp128 %ext9,		fp128 %accext9, fp128 %ext9,
metadata !"round.dynamic",		metadata !"round.dynamic",
metadata !"fpexcept.strict")		metadata !"fpexcept.strict") #0
%const9 = fpext double 1.91 to fp128		%const9 = fpext double 1.91 to fp128
%extra9 = call fp128 @llvm.experimental.constrained.fmul.f128(		%extra9 = call fp128 @llvm.experimental.constrained.fmul.f128(
fp128 %mul9, fp128 %const9,		fp128 %mul9, fp128 %const9,
metadata !"round.dynamic",		metadata !"round.dynamic",
metadata !"fpexcept.strict")		metadata !"fpexcept.strict") #0
%trunc9 = fptrunc fp128 %extra9 to double		%trunc9 = fptrunc fp128 %extra9 to double

ret double %trunc9		ret double %trunc9
}		}

		attributes #0 = { strictfp }