a1710eb3cd
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.
176 lines
6.6 KiB
LLVM
176 lines
6.6 KiB
LLVM
; Test 32-bit floating-point strict addition.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 \
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; RUN: | FileCheck -check-prefix=CHECK -check-prefix=CHECK-SCALAR %s
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s
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declare float @foo()
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declare float @llvm.experimental.constrained.fadd.f32(float, float, metadata, metadata)
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; Check register addition.
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define float @f1(float %f1, float %f2) #0 {
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; CHECK-LABEL: f1:
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; CHECK: aebr %f0, %f2
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; CHECK: br %r14
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%res = call float @llvm.experimental.constrained.fadd.f32(
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float %f1, float %f2,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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ret float %res
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}
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; Check the low end of the AEB range.
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define float @f2(float %f1, ptr %ptr) #0 {
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; CHECK-LABEL: f2:
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; CHECK: aeb %f0, 0(%r2)
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; CHECK: br %r14
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%f2 = load float, ptr %ptr
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%res = call float @llvm.experimental.constrained.fadd.f32(
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float %f1, float %f2,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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ret float %res
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}
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; Check the high end of the aligned AEB range.
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define float @f3(float %f1, ptr %base) #0 {
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; CHECK-LABEL: f3:
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; CHECK: aeb %f0, 4092(%r2)
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; CHECK: br %r14
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%ptr = getelementptr float, ptr %base, i64 1023
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%f2 = load float, ptr %ptr
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%res = call float @llvm.experimental.constrained.fadd.f32(
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float %f1, float %f2,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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ret float %res
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}
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; Check the next word up, which needs separate address logic.
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; Other sequences besides this one would be OK.
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define float @f4(float %f1, ptr %base) #0 {
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; CHECK-LABEL: f4:
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; CHECK: aghi %r2, 4096
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; CHECK: aeb %f0, 0(%r2)
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; CHECK: br %r14
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%ptr = getelementptr float, ptr %base, i64 1024
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%f2 = load float, ptr %ptr
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%res = call float @llvm.experimental.constrained.fadd.f32(
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float %f1, float %f2,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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ret float %res
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}
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; Check negative displacements, which also need separate address logic.
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define float @f5(float %f1, ptr %base) #0 {
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; CHECK-LABEL: f5:
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; CHECK: aghi %r2, -4
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; CHECK: aeb %f0, 0(%r2)
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; CHECK: br %r14
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%ptr = getelementptr float, ptr %base, i64 -1
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%f2 = load float, ptr %ptr
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%res = call float @llvm.experimental.constrained.fadd.f32(
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float %f1, float %f2,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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ret float %res
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}
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; Check that AEB allows indices.
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define float @f6(float %f1, ptr %base, i64 %index) #0 {
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; CHECK-LABEL: f6:
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; CHECK: sllg %r1, %r3, 2
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; CHECK: aeb %f0, 400(%r1,%r2)
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; CHECK: br %r14
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%ptr1 = getelementptr float, ptr %base, i64 %index
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%ptr2 = getelementptr float, ptr %ptr1, i64 100
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%f2 = load float, ptr %ptr2
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%res = call float @llvm.experimental.constrained.fadd.f32(
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float %f1, float %f2,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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ret float %res
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}
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; Check that additions of spilled values can use AEB rather than AEBR.
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define float @f7(ptr %ptr0) #0 {
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; CHECK-LABEL: f7:
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; CHECK: brasl %r14, foo@PLT
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; CHECK-SCALAR: aeb %f0, 16{{[04]}}(%r15)
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; CHECK: br %r14
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%ptr1 = getelementptr float, ptr %ptr0, i64 2
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%ptr2 = getelementptr float, ptr %ptr0, i64 4
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%ptr3 = getelementptr float, ptr %ptr0, i64 6
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%ptr4 = getelementptr float, ptr %ptr0, i64 8
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%ptr5 = getelementptr float, ptr %ptr0, i64 10
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%ptr6 = getelementptr float, ptr %ptr0, i64 12
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%ptr7 = getelementptr float, ptr %ptr0, i64 14
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%ptr8 = getelementptr float, ptr %ptr0, i64 16
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%ptr9 = getelementptr float, ptr %ptr0, i64 18
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%ptr10 = getelementptr float, ptr %ptr0, i64 20
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%val0 = load float, ptr %ptr0
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%val1 = load float, ptr %ptr1
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%val2 = load float, ptr %ptr2
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%val3 = load float, ptr %ptr3
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%val4 = load float, ptr %ptr4
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%val5 = load float, ptr %ptr5
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%val6 = load float, ptr %ptr6
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%val7 = load float, ptr %ptr7
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%val8 = load float, ptr %ptr8
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%val9 = load float, ptr %ptr9
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%val10 = load float, ptr %ptr10
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%ret = call float @foo() #0
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%add0 = call float @llvm.experimental.constrained.fadd.f32(
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float %ret, float %val0,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%add1 = call float @llvm.experimental.constrained.fadd.f32(
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float %add0, float %val1,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%add2 = call float @llvm.experimental.constrained.fadd.f32(
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float %add1, float %val2,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%add3 = call float @llvm.experimental.constrained.fadd.f32(
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float %add2, float %val3,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%add4 = call float @llvm.experimental.constrained.fadd.f32(
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float %add3, float %val4,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%add5 = call float @llvm.experimental.constrained.fadd.f32(
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float %add4, float %val5,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%add6 = call float @llvm.experimental.constrained.fadd.f32(
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float %add5, float %val6,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%add7 = call float @llvm.experimental.constrained.fadd.f32(
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float %add6, float %val7,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%add8 = call float @llvm.experimental.constrained.fadd.f32(
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float %add7, float %val8,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%add9 = call float @llvm.experimental.constrained.fadd.f32(
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float %add8, float %val9,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%add10 = call float @llvm.experimental.constrained.fadd.f32(
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float %add9, float %val10,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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ret float %add10
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}
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attributes #0 = { strictfp }
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