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clang-p2996/llvm/test/CodeGen/SystemZ/fp-strict-mul-02.ll
Kai Nacke a1710eb3cd [SystemZ][NFC] Opaque pointer migration. 
The LIT test cases were migrated with the script provided by
Nikita Popov.

No manual changes were made. Committed without review since
no functional changes, after consultation with uweigand.
2022-10-11 21:09:43 +00:00

415 lines
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LLVM
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; Test strict multiplication of two f32s, producing an f64 result.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
declare float @foo()
declare double @llvm.experimental.constrained.fmul.f64(double, double, metadata, metadata)
declare float @llvm.experimental.constrained.fadd.f32(float, float, metadata, metadata)
declare float @llvm.experimental.constrained.fptrunc.f32.f64(double, metadata, metadata)
declare double @llvm.experimental.constrained.fpext.f64.f32(float, metadata)
; Check register multiplication.
define double @f1(float %f1, float %f2) #0 {
; CHECK-LABEL: f1:
; CHECK: mdebr %f0, %f2
; CHECK: br %r14
%f1x = call double @llvm.experimental.constrained.fpext.f64.f32(
float %f1,
metadata !"fpexcept.strict") #0
%f2x = call double @llvm.experimental.constrained.fpext.f64.f32(
float %f2,
metadata !"fpexcept.strict") #0
%res = call double @llvm.experimental.constrained.fmul.f64(
double %f1x, double %f2x,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
ret double %res
}
; Check the low end of the MDEB range.
define double @f2(float %f1, ptr %ptr) #0 {
; CHECK-LABEL: f2:
; CHECK: mdeb %f0, 0(%r2)
; CHECK: br %r14
%f2 = load float, ptr %ptr
%f1x = call double @llvm.experimental.constrained.fpext.f64.f32(
float %f1,
metadata !"fpexcept.strict") #0
%f2x = call double @llvm.experimental.constrained.fpext.f64.f32(
float %f2,
metadata !"fpexcept.strict") #0
%res = call double @llvm.experimental.constrained.fmul.f64(
double %f1x, double %f2x,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
ret double %res
}
; Check the high end of the aligned MDEB range.
define double @f3(float %f1, ptr %base) #0 {
; CHECK-LABEL: f3:
; CHECK: mdeb %f0, 4092(%r2)
; CHECK: br %r14
%ptr = getelementptr float, ptr %base, i64 1023
%f2 = load float, ptr %ptr
%f1x = call double @llvm.experimental.constrained.fpext.f64.f32(
float %f1,
metadata !"fpexcept.strict") #0
%f2x = call double @llvm.experimental.constrained.fpext.f64.f32(
float %f2,
metadata !"fpexcept.strict") #0
%res = call double @llvm.experimental.constrained.fmul.f64(
double %f1x, double %f2x,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
ret double %res
}
; Check the next word up, which needs separate address logic.
; Other sequences besides this one would be OK.
define double @f4(float %f1, ptr %base) #0 {
; CHECK-LABEL: f4:
; CHECK: aghi %r2, 4096
; CHECK: mdeb %f0, 0(%r2)
; CHECK: br %r14
%ptr = getelementptr float, ptr %base, i64 1024
%f2 = load float, ptr %ptr
%f1x = call double @llvm.experimental.constrained.fpext.f64.f32(
float %f1,
metadata !"fpexcept.strict") #0
%f2x = call double @llvm.experimental.constrained.fpext.f64.f32(
float %f2,
metadata !"fpexcept.strict") #0
%res = call double @llvm.experimental.constrained.fmul.f64(
double %f1x, double %f2x,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
ret double %res
}
; Check negative displacements, which also need separate address logic.
define double @f5(float %f1, ptr %base) #0 {
; CHECK-LABEL: f5:
; CHECK: aghi %r2, -4
; CHECK: mdeb %f0, 0(%r2)
; CHECK: br %r14
%ptr = getelementptr float, ptr %base, i64 -1
%f2 = load float, ptr %ptr
%f1x = call double @llvm.experimental.constrained.fpext.f64.f32(
float %f1,
metadata !"fpexcept.strict") #0
%f2x = call double @llvm.experimental.constrained.fpext.f64.f32(
float %f2,
metadata !"fpexcept.strict") #0
%res = call double @llvm.experimental.constrained.fmul.f64(
double %f1x, double %f2x,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
ret double %res
}
; Check that MDEB allows indices.
define double @f6(float %f1, ptr %base, i64 %index) #0 {
; CHECK-LABEL: f6:
; CHECK: sllg %r1, %r3, 2
; CHECK: mdeb %f0, 400(%r1,%r2)
; CHECK: br %r14
%ptr1 = getelementptr float, ptr %base, i64 %index
%ptr2 = getelementptr float, ptr %ptr1, i64 100
%f2 = load float, ptr %ptr2
%f1x = call double @llvm.experimental.constrained.fpext.f64.f32(
float %f1,
metadata !"fpexcept.strict") #0
%f2x = call double @llvm.experimental.constrained.fpext.f64.f32(
float %f2,
metadata !"fpexcept.strict") #0
%res = call double @llvm.experimental.constrained.fmul.f64(
double %f1x, double %f2x,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
ret double %res
}
; Check that multiplications of spilled values can use MDEB rather than MDEBR.
define float @f7(ptr %ptr0) #0 {
; CHECK-LABEL: f7:
; CHECK: brasl %r14, foo@PLT
; CHECK: mdeb %f0, 16{{[04]}}(%r15)
; CHECK: br %r14
%ptr1 = getelementptr float, ptr %ptr0, i64 2
%ptr2 = getelementptr float, ptr %ptr0, i64 4
%ptr3 = getelementptr float, ptr %ptr0, i64 6
%ptr4 = getelementptr float, ptr %ptr0, i64 8
%ptr5 = getelementptr float, ptr %ptr0, i64 10
%ptr6 = getelementptr float, ptr %ptr0, i64 12
%ptr7 = getelementptr float, ptr %ptr0, i64 14
%ptr8 = getelementptr float, ptr %ptr0, i64 16
%ptr9 = getelementptr float, ptr %ptr0, i64 18
%ptr10 = getelementptr float, ptr %ptr0, i64 20
%val0 = load float, ptr %ptr0
%val1 = load float, ptr %ptr1
%val2 = load float, ptr %ptr2
%val3 = load float, ptr %ptr3
%val4 = load float, ptr %ptr4
%val5 = load float, ptr %ptr5
%val6 = load float, ptr %ptr6
%val7 = load float, ptr %ptr7
%val8 = load float, ptr %ptr8
%val9 = load float, ptr %ptr9
%val10 = load float, ptr %ptr10
%frob0 = call float @llvm.experimental.constrained.fadd.f32(
float %val0, float %val0,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%frob1 = call float @llvm.experimental.constrained.fadd.f32(
float %val1, float %val1,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%frob2 = call float @llvm.experimental.constrained.fadd.f32(
float %val2, float %val2,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%frob3 = call float @llvm.experimental.constrained.fadd.f32(
float %val3, float %val3,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%frob4 = call float @llvm.experimental.constrained.fadd.f32(
float %val4, float %val4,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%frob5 = call float @llvm.experimental.constrained.fadd.f32(
float %val5, float %val5,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%frob6 = call float @llvm.experimental.constrained.fadd.f32(
float %val6, float %val6,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%frob7 = call float @llvm.experimental.constrained.fadd.f32(
float %val7, float %val7,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%frob8 = call float @llvm.experimental.constrained.fadd.f32(
float %val8, float %val8,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%frob9 = call float @llvm.experimental.constrained.fadd.f32(
float %val9, float %val9,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%frob10 = call float @llvm.experimental.constrained.fadd.f32(
float %val10, float %val10,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
store float %frob0, ptr %ptr0
store float %frob1, ptr %ptr1
store float %frob2, ptr %ptr2
store float %frob3, ptr %ptr3
store float %frob4, ptr %ptr4
store float %frob5, ptr %ptr5
store float %frob6, ptr %ptr6
store float %frob7, ptr %ptr7
store float %frob8, ptr %ptr8
store float %frob9, ptr %ptr9
store float %frob10, ptr %ptr10
%ret = call float @foo() #0
%accext0 = call double @llvm.experimental.constrained.fpext.f64.f32(
float %ret,
metadata !"fpexcept.strict") #0
%ext0 = call double @llvm.experimental.constrained.fpext.f64.f32(
float %frob0,
metadata !"fpexcept.strict") #0
%mul0 = call double @llvm.experimental.constrained.fmul.f64(
double %accext0, double %ext0,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%extra0 = call double @llvm.experimental.constrained.fmul.f64(
double %mul0, double 1.01,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%trunc0 = call float @llvm.experimental.constrained.fptrunc.f32.f64(
double %extra0,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%accext1 = call double @llvm.experimental.constrained.fpext.f64.f32(
float %trunc0,
metadata !"fpexcept.strict") #0
%ext1 = call double @llvm.experimental.constrained.fpext.f64.f32(
float %frob1,
metadata !"fpexcept.strict") #0
%mul1 = call double @llvm.experimental.constrained.fmul.f64(
double %accext1, double %ext1,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%extra1 = call double @llvm.experimental.constrained.fmul.f64(
double %mul1, double 1.11,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%trunc1 = call float @llvm.experimental.constrained.fptrunc.f32.f64(
double %extra1,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%accext2 = call double @llvm.experimental.constrained.fpext.f64.f32(
float %trunc1,
metadata !"fpexcept.strict") #0
%ext2 = call double @llvm.experimental.constrained.fpext.f64.f32(
float %frob2,
metadata !"fpexcept.strict") #0
%mul2 = call double @llvm.experimental.constrained.fmul.f64(
double %accext2, double %ext2,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%extra2 = call double @llvm.experimental.constrained.fmul.f64(
double %mul2, double 1.21,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%trunc2 = call float @llvm.experimental.constrained.fptrunc.f32.f64(
double %extra2,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%accext3 = call double @llvm.experimental.constrained.fpext.f64.f32(
float %trunc2,
metadata !"fpexcept.strict") #0
%ext3 = call double @llvm.experimental.constrained.fpext.f64.f32(
float %frob3,
metadata !"fpexcept.strict") #0
%mul3 = call double @llvm.experimental.constrained.fmul.f64(
double %accext3, double %ext3,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%extra3 = call double @llvm.experimental.constrained.fmul.f64(
double %mul3, double 1.31,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%trunc3 = call float @llvm.experimental.constrained.fptrunc.f32.f64(
double %extra3,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%accext4 = call double @llvm.experimental.constrained.fpext.f64.f32(
float %trunc3,
metadata !"fpexcept.strict") #0
%ext4 = call double @llvm.experimental.constrained.fpext.f64.f32(
float %frob4,
metadata !"fpexcept.strict") #0
%mul4 = call double @llvm.experimental.constrained.fmul.f64(
double %accext4, double %ext4,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%extra4 = call double @llvm.experimental.constrained.fmul.f64(
double %mul4, double 1.41,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%trunc4 = call float @llvm.experimental.constrained.fptrunc.f32.f64(
double %extra4,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%accext5 = call double @llvm.experimental.constrained.fpext.f64.f32(
float %trunc4,
metadata !"fpexcept.strict") #0
%ext5 = call double @llvm.experimental.constrained.fpext.f64.f32(
float %frob5,
metadata !"fpexcept.strict") #0
%mul5 = call double @llvm.experimental.constrained.fmul.f64(
double %accext5, double %ext5,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%extra5 = call double @llvm.experimental.constrained.fmul.f64(
double %mul5, double 1.51,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%trunc5 = call float @llvm.experimental.constrained.fptrunc.f32.f64(
double %extra5,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%accext6 = call double @llvm.experimental.constrained.fpext.f64.f32(
float %trunc5,
metadata !"fpexcept.strict") #0
%ext6 = call double @llvm.experimental.constrained.fpext.f64.f32(
float %frob6,
metadata !"fpexcept.strict") #0
%mul6 = call double @llvm.experimental.constrained.fmul.f64(
double %accext6, double %ext6,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%extra6 = call double @llvm.experimental.constrained.fmul.f64(
double %mul6, double 1.61,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%trunc6 = call float @llvm.experimental.constrained.fptrunc.f32.f64(
double %extra6,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%accext7 = call double @llvm.experimental.constrained.fpext.f64.f32(
float %trunc6,
metadata !"fpexcept.strict") #0
%ext7 = call double @llvm.experimental.constrained.fpext.f64.f32(
float %frob7,
metadata !"fpexcept.strict") #0
%mul7 = call double @llvm.experimental.constrained.fmul.f64(
double %accext7, double %ext7,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%extra7 = call double @llvm.experimental.constrained.fmul.f64(
double %mul7, double 1.71,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%trunc7 = call float @llvm.experimental.constrained.fptrunc.f32.f64(
double %extra7,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%accext8 = call double @llvm.experimental.constrained.fpext.f64.f32(
float %trunc7,
metadata !"fpexcept.strict") #0
%ext8 = call double @llvm.experimental.constrained.fpext.f64.f32(
float %frob8,
metadata !"fpexcept.strict") #0
%mul8 = call double @llvm.experimental.constrained.fmul.f64(
double %accext8, double %ext8,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%extra8 = call double @llvm.experimental.constrained.fmul.f64(
double %mul8, double 1.81,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%trunc8 = call float @llvm.experimental.constrained.fptrunc.f32.f64(
double %extra8,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%accext9 = call double @llvm.experimental.constrained.fpext.f64.f32(
float %trunc8,
metadata !"fpexcept.strict") #0
%ext9 = call double @llvm.experimental.constrained.fpext.f64.f32(
float %frob9,
metadata !"fpexcept.strict") #0
%mul9 = call double @llvm.experimental.constrained.fmul.f64(
double %accext9, double %ext9,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%extra9 = call double @llvm.experimental.constrained.fmul.f64(
double %mul9, double 1.91,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
%trunc9 = call float @llvm.experimental.constrained.fptrunc.f32.f64(
double %extra9,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
ret float %trunc9
}
attributes #0 = { strictfp }
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