dbca8a49b6
This extends the known bits for extending loads which have range metadata, handling the range metadata on the original memory type, extending that to the correct BitWidth.
80 lines
2.3 KiB
LLVM
80 lines
2.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 3
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; RUN: llc < %s -mtriple=aarch64 | FileCheck %s
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define i1 @load_bv_v4i8(i1 zeroext %a) {
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; CHECK-LABEL: load_bv_v4i8:
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; CHECK: // %bb.0:
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; CHECK-NEXT: ret
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%b = zext i1 %a to i32
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%c = icmp eq i32 %b, 1
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ret i1 %c
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}
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define noundef i1 @logger(i32 noundef %logLevel, ptr %ea, ptr %pll) {
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; CHECK-LABEL: logger:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: ldr w8, [x2]
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; CHECK-NEXT: cmp w8, w0
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; CHECK-NEXT: b.ls .LBB1_2
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; CHECK-NEXT: // %bb.1:
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; CHECK-NEXT: mov w0, wzr
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; CHECK-NEXT: ret
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; CHECK-NEXT: .LBB1_2: // %land.rhs
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; CHECK-NEXT: ldr x8, [x1]
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; CHECK-NEXT: ldrb w0, [x8]
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; CHECK-NEXT: ret
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entry:
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%0 = load i32, ptr %pll, align 4
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%cmp.not = icmp ugt i32 %0, %logLevel
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br i1 %cmp.not, label %land.end, label %land.rhs
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land.rhs: ; preds = %entry
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%1 = load ptr, ptr %ea, align 8
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%2 = load i8, ptr %1, align 1, !range !14, !noundef !15
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%tobool.i = icmp ne i8 %2, 0
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br label %land.end
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land.end: ; preds = %land.rhs, %entry
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%3 = phi i1 [ false, %entry ], [ %tobool.i, %land.rhs ]
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ret i1 %3
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}
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!14 = !{i8 0, i8 2}
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!15 = !{}
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declare i64 @llvm.ctlz.i64(i64 %in, i1)
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define i1 @lshr_ctlz_undef_cmpeq_one_i64(i64 %in) {
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; CHECK-LABEL: lshr_ctlz_undef_cmpeq_one_i64:
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; CHECK: // %bb.0:
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; CHECK-NEXT: clz x8, x0
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; CHECK-NEXT: lsr x0, x8, #6
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; CHECK-NEXT: // kill: def $w0 killed $w0 killed $x0
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; CHECK-NEXT: ret
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%ctlz = call i64 @llvm.ctlz.i64(i64 %in, i1 -1)
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%lshr = lshr i64 %ctlz, 6
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%icmp = icmp eq i64 %lshr, 1
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ret i1 %icmp
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}
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define i32 @PR17487(i1 %tobool) {
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; CHECK-LABEL: PR17487:
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; CHECK: // %bb.0:
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; CHECK-NEXT: dup v0.2s, w0
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; CHECK-NEXT: mov w8, #1 // =0x1
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; CHECK-NEXT: dup v1.2d, x8
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; CHECK-NEXT: ushll v0.2d, v0.2s, #0
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; CHECK-NEXT: bic v0.16b, v1.16b, v0.16b
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; CHECK-NEXT: mov x8, v0.d[1]
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; CHECK-NEXT: cmp x8, #1
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; CHECK-NEXT: cset w0, ne
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; CHECK-NEXT: ret
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%tmp = insertelement <2 x i1> undef, i1 %tobool, i32 1
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%tmp1 = zext <2 x i1> %tmp to <2 x i64>
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%tmp2 = xor <2 x i64> %tmp1, <i64 1, i64 1>
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%tmp3 = extractelement <2 x i64> %tmp2, i32 1
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%add = add nsw i64 0, %tmp3
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%cmp6 = icmp ne i64 %add, 1
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%conv7 = zext i1 %cmp6 to i32
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ret i32 %conv7
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}
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