49 lines
2.0 KiB
LLVM
49 lines
2.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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; RUN: llc -verify-machineinstrs -stop-before=ppc-vsx-copy -vec-extabi \
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; RUN: -mcpu=pwr7 -mtriple powerpc-ibm-aix-xcoff < %s | \
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; RUN: FileCheck %s
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;; Fixed vector arguments to variadic functions are passed differently than
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;; either arguments to non-variadic functions or arguments passed through
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;; ellipses.
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define double @callee(i32 %count, <4 x i32> %vsi, double %next, ...) {
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; CHECK-LABEL: name: callee
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; CHECK: bb.0.entry:
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; CHECK: LIFETIME_START %stack.0.arg_list
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; CHECK: [[ADDI:%[0-9]+]]:gprc = ADDI %fixed-stack.0, 0
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; CHECK: STW killed [[ADDI]], 0, %stack.0.arg_list :: (store (s32) into %ir.0)
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; CHECK: [[ADDI1:%[0-9]+]]:gprc = ADDI %fixed-stack.0, 15
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; CHECK: [[RLWINM:%[0-9]+]]:gprc_and_gprc_nor0 = RLWINM killed [[ADDI1]], 0, 0, 27
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; CHECK: [[LFD:%[0-9]+]]:f8rc = LFD 16, killed [[RLWINM]] :: (load (s64) from %ir.4, align 16)
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; CHECK: LIFETIME_END %stack.0.arg_list
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; CHECK: $f1 = COPY [[LFD]]
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; CHECK: BLR implicit $lr, implicit $rm, implicit $f1
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entry:
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%arg_list = alloca i8*, align 4
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%0 = bitcast i8** %arg_list to i8*
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call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %0)
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call void @llvm.va_start(i8* nonnull %0)
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%argp.cur = load i8*, i8** %arg_list, align 4
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%1 = ptrtoint i8* %argp.cur to i32
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%2 = add i32 %1, 15
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%3 = and i32 %2, -16
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%argp.cur.aligned = inttoptr i32 %3 to i8*
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%argp.next = getelementptr inbounds i8, i8* %argp.cur.aligned, i32 16
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%argp.next3 = getelementptr inbounds i8, i8* %argp.cur.aligned, i32 24
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store i8* %argp.next3, i8** %arg_list, align 4
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%4 = bitcast i8* %argp.next to double*
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%5 = load double, double* %4, align 16
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call void @llvm.va_end(i8* nonnull %0)
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call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %0)
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ret double %5
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}
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declare void @llvm.lifetime.start.p0i8(i64 immarg, i8* nocapture)
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declare void @llvm.va_start(i8*)
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declare void @llvm.va_end(i8*)
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declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture)
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