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cc12b285b6
This will currently accept the old number of bytes syntax, and convert it to a scalar. This should be removed in the near future (I think I converted all of the tests already, but likely missed a few). Not sure what the exact syntax and policy should be. We can continue printing the number of bytes for non-generic instructions to avoid test churn and only allow non-scalar types for generic instructions. This will currently print the LLT in parentheses, but accept parsing the existing integers and implicitly converting to scalar. The parentheses are a bit ugly, but the parser logic seems unable to deal without either parentheses or some keyword to indicate the start of a type.
23 lines
981 B
LLVM
23 lines
981 B
LLVM
; RUN: llc -verify-machineinstrs -mtriple=s390x-linux-gnu < %s -debug -stop-after=machineverifier 2>&1 | FileCheck %s
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; REQUIRES: asserts
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define i128 @func1({ i128, i8* } %struct) {
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; Verify that we get a combine on the build_pair, creating a LD8 load somewhere
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; between "Initial selection DAG" and "Optimized lowered selection DAG".
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; The target is big-endian, and stack grows towards higher addresses,
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; so we expect the LD8 to load from the address used in the original HIBITS
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; load.
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; CHECK-LABEL: Initial selection DAG:
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; CHECK: [[LOBITS:t[0-9]+]]: i64,ch = load<(load (s64))>
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; CHECK: [[HIBITS:t[0-9]+]]: i64,ch = load<(load (s64))>
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; CHECK: Combining: t{{[0-9]+}}: i128 = build_pair [[LOBITS]], [[HIBITS]]
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; CHECK-NEXT: Creating new node
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; CHECK-SAME: load<(load (s128), align 8)>
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; CHECK-NEXT: into
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; CHECK-SAME: load<(load (s128), align 8)>
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; CHECK-LABEL: Optimized lowered selection DAG:
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%result = extractvalue {i128, i8* } %struct, 0
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ret i128 %result
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}
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