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.
204 lines
6.0 KiB
LLVM
204 lines
6.0 KiB
LLVM
; Test multiplication of two f32s, producing an f64 result.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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declare float @foo()
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; Check register multiplication.
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define double @f1(float %f1, float %f2) {
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; CHECK-LABEL: f1:
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; CHECK: mdebr %f0, %f2
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; CHECK: br %r14
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%f1x = fpext float %f1 to double
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%f2x = fpext float %f2 to double
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%res = fmul double %f1x, %f2x
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ret double %res
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}
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; Check the low end of the MDEB range.
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define double @f2(float %f1, ptr %ptr) {
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; CHECK-LABEL: f2:
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; CHECK: mdeb %f0, 0(%r2)
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; CHECK: br %r14
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%f2 = load float, ptr %ptr
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%f1x = fpext float %f1 to double
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%f2x = fpext float %f2 to double
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%res = fmul double %f1x, %f2x
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ret double %res
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}
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; Check the high end of the aligned MDEB range.
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define double @f3(float %f1, ptr %base) {
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; CHECK-LABEL: f3:
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; CHECK: mdeb %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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%f1x = fpext float %f1 to double
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%f2x = fpext float %f2 to double
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%res = fmul double %f1x, %f2x
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ret double %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 double @f4(float %f1, ptr %base) {
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; CHECK-LABEL: f4:
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; CHECK: aghi %r2, 4096
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; CHECK: mdeb %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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%f1x = fpext float %f1 to double
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%f2x = fpext float %f2 to double
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%res = fmul double %f1x, %f2x
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ret double %res
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}
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; Check negative displacements, which also need separate address logic.
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define double @f5(float %f1, ptr %base) {
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; CHECK-LABEL: f5:
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; CHECK: aghi %r2, -4
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; CHECK: mdeb %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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%f1x = fpext float %f1 to double
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%f2x = fpext float %f2 to double
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%res = fmul double %f1x, %f2x
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ret double %res
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}
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; Check that MDEB allows indices.
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define double @f6(float %f1, ptr %base, i64 %index) {
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; CHECK-LABEL: f6:
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; CHECK: sllg %r1, %r3, 2
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; CHECK: mdeb %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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%f1x = fpext float %f1 to double
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%f2x = fpext float %f2 to double
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%res = fmul double %f1x, %f2x
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ret double %res
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}
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; Check that multiplications of spilled values can use MDEB rather than MDEBR.
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define float @f7(ptr %ptr0) {
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; CHECK-LABEL: f7:
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; CHECK: brasl %r14, foo@PLT
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; CHECK: mdeb %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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%frob0 = fadd float %val0, %val0
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%frob1 = fadd float %val1, %val1
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%frob2 = fadd float %val2, %val2
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%frob3 = fadd float %val3, %val3
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%frob4 = fadd float %val4, %val4
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%frob5 = fadd float %val5, %val5
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%frob6 = fadd float %val6, %val6
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%frob7 = fadd float %val7, %val7
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%frob8 = fadd float %val8, %val8
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%frob9 = fadd float %val9, %val9
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%frob10 = fadd float %val9, %val10
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store float %frob0, ptr %ptr0
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store float %frob1, ptr %ptr1
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store float %frob2, ptr %ptr2
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store float %frob3, ptr %ptr3
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store float %frob4, ptr %ptr4
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store float %frob5, ptr %ptr5
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store float %frob6, ptr %ptr6
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store float %frob7, ptr %ptr7
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store float %frob8, ptr %ptr8
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store float %frob9, ptr %ptr9
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store float %frob10, ptr %ptr10
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%ret = call float @foo()
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%accext0 = fpext float %ret to double
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%ext0 = fpext float %frob0 to double
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%mul0 = fmul double %accext0, %ext0
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%extra0 = fmul double %mul0, 1.01
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%trunc0 = fptrunc double %extra0 to float
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%accext1 = fpext float %trunc0 to double
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%ext1 = fpext float %frob1 to double
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%mul1 = fmul double %accext1, %ext1
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%extra1 = fmul double %mul1, 1.11
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%trunc1 = fptrunc double %extra1 to float
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%accext2 = fpext float %trunc1 to double
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%ext2 = fpext float %frob2 to double
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%mul2 = fmul double %accext2, %ext2
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%extra2 = fmul double %mul2, 1.21
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%trunc2 = fptrunc double %extra2 to float
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%accext3 = fpext float %trunc2 to double
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%ext3 = fpext float %frob3 to double
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%mul3 = fmul double %accext3, %ext3
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%extra3 = fmul double %mul3, 1.31
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%trunc3 = fptrunc double %extra3 to float
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%accext4 = fpext float %trunc3 to double
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%ext4 = fpext float %frob4 to double
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%mul4 = fmul double %accext4, %ext4
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%extra4 = fmul double %mul4, 1.41
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%trunc4 = fptrunc double %extra4 to float
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%accext5 = fpext float %trunc4 to double
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%ext5 = fpext float %frob5 to double
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%mul5 = fmul double %accext5, %ext5
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%extra5 = fmul double %mul5, 1.51
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%trunc5 = fptrunc double %extra5 to float
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%accext6 = fpext float %trunc5 to double
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%ext6 = fpext float %frob6 to double
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%mul6 = fmul double %accext6, %ext6
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%extra6 = fmul double %mul6, 1.61
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%trunc6 = fptrunc double %extra6 to float
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%accext7 = fpext float %trunc6 to double
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%ext7 = fpext float %frob7 to double
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%mul7 = fmul double %accext7, %ext7
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%extra7 = fmul double %mul7, 1.71
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%trunc7 = fptrunc double %extra7 to float
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%accext8 = fpext float %trunc7 to double
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%ext8 = fpext float %frob8 to double
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%mul8 = fmul double %accext8, %ext8
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%extra8 = fmul double %mul8, 1.81
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%trunc8 = fptrunc double %extra8 to float
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%accext9 = fpext float %trunc8 to double
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%ext9 = fpext float %frob9 to double
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%mul9 = fmul double %accext9, %ext9
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%extra9 = fmul double %mul9, 1.91
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%trunc9 = fptrunc double %extra9 to float
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ret float %trunc9
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}
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