81 lines
2.9 KiB
LLVM
81 lines
2.9 KiB
LLVM
; RUN: llc %s -o - -verify-machineinstrs -mtriple=arm64-none-linux-gnu | FileCheck %s
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; This is the analogue of AArch64's file of the same name. It's mostly testing
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; some form of correct lowering occurs, the tests are a little artificial but I
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; strongly suspect there's room for improved CodeGen (FIXME).
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define i64 @test_sext_extr_cmp_0(<1 x i64> %v1, <1 x i64> %v2) {
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; CHECK-LABEL: test_sext_extr_cmp_0:
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; CHECK: cmp {{x[0-9]+}}, {{x[0-9]+}}
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; CHECK: cset
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%1 = icmp sge <1 x i64> %v1, %v2
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%2 = extractelement <1 x i1> %1, i32 0
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%vget_lane = sext i1 %2 to i64
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ret i64 %vget_lane
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}
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define i64 @test_sext_extr_cmp_1(<1 x double> %v1, <1 x double> %v2) {
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; CHECK-LABEL: test_sext_extr_cmp_1:
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; CHECK: fcmp {{d[0-9]+}}, {{d[0-9]+}}
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%1 = fcmp oeq <1 x double> %v1, %v2
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%2 = extractelement <1 x i1> %1, i32 0
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%vget_lane = sext i1 %2 to i64
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ret i64 %vget_lane
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}
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define <1 x i64> @test_select_v1i1_0(<1 x i64> %v1, <1 x i64> %v2, <1 x i64> %v3) {
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; CHECK-LABEL: test_select_v1i1_0:
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; CHECK: cmeq d{{[0-9]+}}, d{{[0-9]+}}, d{{[0-9]+}}
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; CHECK: bic v{{[0-9]+}}.8b, v{{[0-9]+}}.8b, v{{[0-9]+}}.8b
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%1 = icmp eq <1 x i64> %v1, %v2
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%res = select <1 x i1> %1, <1 x i64> zeroinitializer, <1 x i64> %v3
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ret <1 x i64> %res
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}
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define <1 x i64> @test_select_v1i1_1(<1 x double> %v1, <1 x double> %v2, <1 x i64> %v3) {
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; CHECK-LABEL: test_select_v1i1_1:
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; CHECK: fcmeq d{{[0-9]+}}, d{{[0-9]+}}, d{{[0-9]+}}
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; CHECK: bic v{{[0-9]+}}.8b, v{{[0-9]+}}.8b, v{{[0-9]+}}.8b
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%1 = fcmp oeq <1 x double> %v1, %v2
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%res = select <1 x i1> %1, <1 x i64> zeroinitializer, <1 x i64> %v3
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ret <1 x i64> %res
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}
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define <1 x double> @test_select_v1i1_2(<1 x i64> %v1, <1 x i64> %v2, <1 x double> %v3) {
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; CHECK-LABEL: test_select_v1i1_2:
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; CHECK: cmeq d{{[0-9]+}}, d{{[0-9]+}}, d{{[0-9]+}}
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; CHECK: bic v{{[0-9]+}}.8b, v{{[0-9]+}}.8b, v{{[0-9]+}}.8b
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%1 = icmp eq <1 x i64> %v1, %v2
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%res = select <1 x i1> %1, <1 x double> zeroinitializer, <1 x double> %v3
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ret <1 x double> %res
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}
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; For v1i64, it's not clear which of the vector or scalar compare is better.
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; Let's stick to the vector form, like for all other vector selects fed by a
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; scalar setcc. If anything, it exposes more ILP.
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define <1 x i64> @test_select_v1i1_3(i64 %lhs, i64 %rhs, <1 x i64> %v3) {
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; CHECK-LABEL: test_select_v1i1_3:
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; CHECK: fmov d{{[0-9]+}}, x{{[0-9]+}}
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; CHECK: fmov d{{[0-9]+}}, x{{[0-9]+}}
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; CHECK: cmeq d{{[0-9]+}}, d{{[0-9]+}}, d{{[0-9]+}}
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; CHECK: bic v{{[0-9]+}}.8b, v{{[0-9]+}}.8b, v{{[0-9]+}}.8b
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%tst = icmp eq i64 %lhs, %rhs
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%evil = insertelement <1 x i1> undef, i1 %tst, i32 0
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%res = select <1 x i1> %evil, <1 x i64> zeroinitializer, <1 x i64> %v3
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ret <1 x i64> %res
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}
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define i32 @test_br_extr_cmp(<1 x i64> %v1, <1 x i64> %v2) {
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; CHECK-LABEL: test_br_extr_cmp:
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; CHECK: cmp x{{[0-9]+}}, x{{[0-9]+}}
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%1 = icmp eq <1 x i64> %v1, %v2
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%2 = extractelement <1 x i1> %1, i32 0
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br i1 %2, label %if.end, label %if.then
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if.then:
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ret i32 0;
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if.end:
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ret i32 1;
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}
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