24 lines
1.0 KiB
LLVM
24 lines
1.0 KiB
LLVM
; RUN: llc -verify-machineinstrs -O0 -mcpu=g4 -mtriple=powerpc-apple-darwin8 < %s -debug -stop-after=machineverifier 2>&1 | FileCheck %s
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; REQUIRES: asserts
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define i64 @func1(i64 %p1, i64 %p2, i64 %p3, i64 %p4, { i64, 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-DAG: [[LOBITS:t[0-9]+]]: i32,ch = load<LD4[FixedStack-2]>
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; CHECK-DAG: [[HIBITS:t[0-9]+]]: i32,ch = load<LD4[FixedStack-1]>
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; CHECK: Combining: t{{[0-9]+}}: i64 = build_pair [[LOBITS]], [[HIBITS]]
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; CHECK-NEXT: Creating new node
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; CHECK-SAME: load<LD8[FixedStack-1]
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; CHECK-NEXT: into
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; CHECK-SAME: load<LD8[FixedStack-1]
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; CHECK-LABEL: Optimized lowered selection DAG:
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%result = extractvalue {i64, i8* } %struct, 0
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ret i64 %result
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}
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