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1c71ec1903
When inspecting the calling convention, for calling windows functions from a non-windows function, inspect the calling convention of the called function, not the caller. Also remove an unnecessary parameter to AArch64CallLowering OutgoingArgHandler. Differential Revision: https://reviews.llvm.org/D100890
123 lines
3.7 KiB
LLVM
123 lines
3.7 KiB
LLVM
; RUN: llc < %s -mtriple=aarch64-windows -verify-machineinstrs | FileCheck %s --check-prefixes=CHECK,DAGISEL
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; RUN: llc < %s -mtriple=aarch64-windows -verify-machineinstrs -O0 -fast-isel | FileCheck %s --check-prefixes=CHECK,O0
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; RUN: llc < %s -mtriple=aarch64-windows -verify-machineinstrs -O0 -global-isel | FileCheck %s --check-prefixes=CHECK,O0
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define void @float_va_fn(float %a, i32 %b, ...) nounwind {
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entry:
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; CHECK-LABEL: float_va_fn:
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; O0: str x7, [sp, #72]
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; O0: str x6, [sp, #64]
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; O0: str x5, [sp, #56]
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; O0: str x4, [sp, #48]
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; O0: str x3, [sp, #40]
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; O0: str x2, [sp, #32]
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; CHECK: fmov s0, w0
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; O0: add x8, sp, #32
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; O0: str x8, [sp, #8]
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; O0: ldr x0, [sp, #8]
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; DAGISEL: add x0, sp, #16
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; DAGISEL: stp x2, x3, [sp, #16]
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; DAGISEL: stp x4, x5, [sp, #32]
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; DAGISEL: stp x6, x7, [sp, #48]
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; CHECK: bl f_va_list
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%ap = alloca i8*, align 8
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%0 = bitcast i8** %ap to i8*
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call void @llvm.lifetime.start.p0i8(i64 8, i8* nonnull %0)
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call void @llvm.va_start(i8* nonnull %0)
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%1 = load i8*, i8** %ap, align 8
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call void @f_va_list(float %a, i8* %1)
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call void @llvm.va_end(i8* nonnull %0)
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call void @llvm.lifetime.end.p0i8(i64 8, i8* nonnull %0)
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ret void
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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 @f_va_list(float, 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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define void @double_va_fn(double %a, i32 %b, ...) nounwind {
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entry:
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; CHECK-LABEL: double_va_fn:
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; O0: str x7, [sp, #72]
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; O0: str x6, [sp, #64]
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; O0: str x5, [sp, #56]
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; O0: str x4, [sp, #48]
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; O0: str x3, [sp, #40]
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; O0: str x2, [sp, #32]
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; CHECK: fmov d0, x0
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; O0: add x8, sp, #32
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; O0: str x8, [sp, #8]
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; O0: ldr x0, [sp, #8]
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; DAGISEL: add x0, sp, #16
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; DAGISEL: stp x2, x3, [sp, #16]
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; DAGISEL: stp x4, x5, [sp, #32]
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; DAGISEL: stp x6, x7, [sp, #48]
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; CHECK: bl d_va_list
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%ap = alloca i8*, align 8
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%0 = bitcast i8** %ap to i8*
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call void @llvm.lifetime.start.p0i8(i64 8, i8* nonnull %0)
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call void @llvm.va_start(i8* nonnull %0)
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%1 = load i8*, i8** %ap, align 8
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call void @d_va_list(double %a, i8* %1)
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call void @llvm.va_end(i8* nonnull %0)
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call void @llvm.lifetime.end.p0i8(i64 8, i8* nonnull %0)
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ret void
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}
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declare void @d_va_list(double, i8*)
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define void @call_f_va() nounwind {
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entry:
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; CHECK-LABEL: call_f_va:
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; DAGISEL: mov w0, #1065353216
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; FASTISEL: mov w0, #1065353216
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; GISEL: fmov s0, #1.00000000
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; GISEL: fmov w0, s0
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; CHECK: mov w1, #2
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; DAGISEL: mov x2, #4613937818241073152
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; FASTISEL: mov x2, #4613937818241073152
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; GISEL: fmov d0, #3.00000000
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; GISEL: fmov x2, d0
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; CHECK: mov w3, #4
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; CHECK: b other_f_va_fn
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tail call void (float, i32, ...) @other_f_va_fn(float 1.000000e+00, i32 2, double 3.000000e+00, i32 4)
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ret void
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}
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declare void @other_f_va_fn(float, i32, ...)
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define void @call_d_va() nounwind {
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entry:
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; CHECK-LABEL: call_d_va:
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; DAGISEL: mov x0, #4607182418800017408
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; FASTISEL: mov x0, #4607182418800017408
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; GISEL: fmov d0, #1.00000000
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; GISEL: fmov x0, d0
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; CHECK: mov w1, #2
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; DAGISEL: mov x2, #4613937818241073152
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; FASTISEL: mov x2, #4613937818241073152
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; GISEL: fmov d0, #3.00000000
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; CHECK: mov w3, #4
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; CHECK: b other_d_va_fn
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tail call void (double, i32, ...) @other_d_va_fn(double 1.000000e+00, i32 2, double 3.000000e+00, i32 4)
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ret void
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}
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declare void @other_d_va_fn(double, i32, ...)
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define void @call_d_non_va() nounwind {
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entry:
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; CHECK-LABEL: call_d_non_va:
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; CHECK-DAG: fmov d0, #1.00000000
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; CHECK-DAG: fmov d1, #3.00000000
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; CHECK-DAG: mov w0, #2
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; CHECK-DAG: mov w1, #4
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; CHECK: b other_d_non_va_fn
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tail call void (double, i32, double, i32) @other_d_non_va_fn(double 1.000000e+00, i32 2, double 3.000000e+00, i32 4)
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ret void
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}
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declare void @other_d_non_va_fn(double, i32, double, i32)
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