forked from OSchip/llvm-project
60 lines
2.3 KiB
LLVM
60 lines
2.3 KiB
LLVM
; Verify that small structures and float arguments are passed in the
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; least significant part of a stack slot doubleword.
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; RUN: llc -verify-machineinstrs < %s | FileCheck %s
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target datalayout = "E-m:e-i64:64-n32:64"
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target triple = "powerpc64-unknown-linux-gnu"
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%struct.large_arg = type { [8 x i64] }
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%struct.small_arg = type { i16, i8 }
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@gl = common global %struct.large_arg zeroinitializer, align 8
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@gs = common global %struct.small_arg zeroinitializer, align 2
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@gf = common global float 0.000000e+00, align 4
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define void @callee1(%struct.small_arg* noalias nocapture sret(%struct.small_arg) %agg.result, %struct.large_arg* byval(%struct.large_arg) nocapture readnone %pad, %struct.small_arg* byval(%struct.small_arg) nocapture readonly %x) {
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entry:
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%0 = bitcast %struct.small_arg* %x to i32*
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%1 = bitcast %struct.small_arg* %agg.result to i32*
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%2 = load i32, i32* %0, align 2
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store i32 %2, i32* %1, align 2
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ret void
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}
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; CHECK: @callee1
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; CHECK: lwz {{[0-9]+}}, 124(1)
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; CHECK: blr
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define void @caller1() {
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entry:
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%tmp = alloca %struct.small_arg, align 2
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call void @test1(%struct.small_arg* sret(%struct.small_arg) %tmp, %struct.large_arg* byval(%struct.large_arg) @gl, %struct.small_arg* byval(%struct.small_arg) @gs)
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ret void
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}
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; CHECK: @caller1
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; CHECK: stw {{[0-9]+}}, 124(1)
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; CHECK: bl test1
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declare void @test1(%struct.small_arg* sret(%struct.small_arg), %struct.large_arg* byval(%struct.large_arg), %struct.small_arg* byval(%struct.small_arg))
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define float @callee2(float %pad1, float %pad2, float %pad3, float %pad4, float %pad5, float %pad6, float %pad7, float %pad8, float %pad9, float %pad10, float %pad11, float %pad12, float %pad13, float %x) {
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entry:
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ret float %x
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}
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; CHECK: @callee2
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; CHECK: lfs {{[0-9]+}}, 156(1)
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; CHECK: blr
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define void @caller2() {
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entry:
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%0 = load float, float* @gf, align 4
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%call = tail call float @test2(float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float %0)
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ret void
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}
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; CHECK: @caller2
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; CHECK: std {{[0-9]+}}, 16(1)
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; CHECK: bl test2
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declare float @test2(float, float, float, float, float, float, float, float, float, float, float, float, float, float)
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