derek.holloway
7502bf64a4
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60 lines
1.4 KiB
LLVM
60 lines
1.4 KiB
LLVM
; Test vector byte masks, v4i32 version.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
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; Test an all-zeros vector.
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define <4 x i32> @f1() {
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; CHECK-LABEL: f1:
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; CHECK: vgbm %v24, 0
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; CHECK: br %r14
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ret <4 x i32> zeroinitializer
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}
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; Test an all-ones vector.
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define <4 x i32> @f2() {
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; CHECK-LABEL: f2:
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; CHECK: vgbm %v24, 65535
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; CHECK: br %r14
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ret <4 x i32> <i32 -1, i32 -1, i32 -1, i32 -1>
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}
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; Test a mixed vector (mask 0x8c76).
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define <4 x i32> @f3() {
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; CHECK-LABEL: f3:
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; CHECK: vgbm %v24, 35958
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; CHECK: br %r14
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ret <4 x i32> <i32 4278190080, i32 4294901760, i32 16777215, i32 16776960>
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}
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; Test that undefs are treated as zero (mask 0x8076).
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define <4 x i32> @f4() {
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; CHECK-LABEL: f4:
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; CHECK: vgbm %v24, 32886
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; CHECK: br %r14
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ret <4 x i32> <i32 4278190080, i32 undef, i32 16777215, i32 16776960>
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}
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; Test that we don't use VGBM if one of the bytes is not 0 or 0xff.
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define <4 x i32> @f5() {
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; CHECK-LABEL: f5:
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; CHECK-NOT: vgbm
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; CHECK: br %r14
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ret <4 x i32> <i32 4278190080, i32 1, i32 16777215, i32 16776960>
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}
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; Test an all-zeros v2i32 that gets promoted to v4i32.
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define <2 x i32> @f6() {
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; CHECK-LABEL: f6:
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; CHECK: vgbm %v24, 0
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; CHECK: br %r14
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ret <2 x i32> zeroinitializer
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}
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; Test a mixed v2i32 that gets promoted to v4i32 (mask 0xae00).
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define <2 x i32> @f7() {
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; CHECK-LABEL: f7:
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; CHECK: vgbm %v24, 44544
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; CHECK: br %r14
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ret <2 x i32> <i32 4278255360, i32 -256>
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}
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