89c25c54f9
Implement base windowed register call ABI. By defaullt use rotation window by 8 registers.
104 lines
3.3 KiB
LLVM
104 lines
3.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
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; RUN: llc -mtriple=xtensa -O1 -mattr=+windowed -verify-machineinstrs < %s \
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; RUN: | FileCheck %s -check-prefix=XTENSA
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; Check placement of first 6 arguments in registers and 7th argument on stack
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define dso_local i32 @test1(i32 noundef %a, i32 noundef %b, i32 noundef %c, i32 noundef %d, i32 noundef %e, i32 noundef %f, ptr nocapture noundef readonly byval(i32) align 4 %p) {
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; XTENSA-LABEL: test1:
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; XTENSA: .cfi_startproc
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; XTENSA-NEXT: # %bb.0:
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; XTENSA-NEXT: entry a1, 32
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; XTENSA-NEXT: .cfi_def_cfa_offset 32
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; XTENSA-NEXT: add a8, a7, a2
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; XTENSA-NEXT: l32i a9, a1, 32
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; XTENSA-NEXT: add a2, a8, a9
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; XTENSA-NEXT: retw
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%l = load i32, ptr %p, align 4
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%sum = add nsw i32 %f, %a
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%1 = add nsw i32 %sum, %l
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ret i32 %1
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}
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; Check placement of second i64 argument in registers
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define dso_local i32 @test2(i32 noundef %a, i64 noundef %b, i32 noundef %c) {
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; XTENSA-LABEL: test2:
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; XTENSA: .cfi_startproc
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; XTENSA-NEXT: # %bb.0:
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; XTENSA-NEXT: entry a1, 32
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; XTENSA-NEXT: .cfi_def_cfa_offset 32
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; XTENSA-NEXT: add a8, a6, a2
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; XTENSA-NEXT: add a2, a8, a4
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; XTENSA-NEXT: retw
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%tr = trunc i64 %b to i32
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%sum = add nsw i32 %c, %a
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%1 = add nsw i32 %sum, %tr
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ret i32 %1
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}
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; Check placement of first argument typeof i8 in register
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define dso_local i32 @test3(i8 noundef signext %a, i64 noundef %b, i32 noundef %c) {
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; XTENSA-LABEL: test3:
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; XTENSA: .cfi_startproc
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; XTENSA-NEXT: # %bb.0:
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; XTENSA-NEXT: entry a1, 32
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; XTENSA-NEXT: .cfi_def_cfa_offset 32
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; XTENSA-NEXT: add a8, a2, a6
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; XTENSA-NEXT: add a2, a8, a4
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; XTENSA-NEXT: retw
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%tr = trunc i64 %b to i32
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%se = sext i8 %a to i32
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%sum = add nsw i32 %se, %c
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%1 = add nsw i32 %sum, %tr
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ret i32 %1
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}
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; Check placement of 4th argument typeof i64 on stack
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define dso_local i32 @test4(i8 noundef signext %a, i64 noundef %b, i32 noundef %c, ptr nocapture noundef readonly byval(i64) align 8 %p) {
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; XTENSA-LABEL: test4:
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; XTENSA: .cfi_startproc
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; XTENSA-NEXT: # %bb.0:
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; XTENSA-NEXT: entry a1, 32
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; XTENSA-NEXT: .cfi_def_cfa_offset 32
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; XTENSA-NEXT: add a8, a2, a6
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; XTENSA-NEXT: add a8, a8, a4
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; XTENSA-NEXT: l32i a9, a1, 32
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; XTENSA-NEXT: add a2, a8, a9
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; XTENSA-NEXT: retw
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%l = load i64, ptr %p, align 8
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%tr1 = trunc i64 %b to i32
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%tr2 = trunc i64 %l to i32
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%se = sext i8 %a to i32
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%sum1 = add nsw i32 %se, %c
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%sum2 = add nsw i32 %sum1, %tr1
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%1 = add nsw i32 %sum2, %tr2
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ret i32 %1
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}
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; Check placement of 128 bit structure on registers
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define dso_local i32 @test5([4 x i32] %a, i32 noundef %b) {
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; XTENSA-LABEL: test5:
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; XTENSA: .cfi_startproc
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; XTENSA-NEXT: # %bb.0:
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; XTENSA-NEXT: entry a1, 32
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; XTENSA-NEXT: .cfi_def_cfa_offset 32
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; XTENSA-NEXT: add a2, a2, a6
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; XTENSA-NEXT: retw
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%ev = extractvalue [4 x i32] %a, 0
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%1 = add nsw i32 %ev, %b
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ret i32 %1
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}
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; Check placement of 128 bit structure on stack
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define dso_local i32 @test6(i32 noundef %a, [4 x i32] %b) {
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; XTENSA-LABEL: test6:
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; XTENSA: .cfi_startproc
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; XTENSA-NEXT: # %bb.0:
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; XTENSA-NEXT: entry a1, 32
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; XTENSA-NEXT: .cfi_def_cfa_offset 32
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; XTENSA-NEXT: add a2, a3, a2
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; XTENSA-NEXT: retw
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%ev = extractvalue [4 x i32] %b, 0
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%1 = add nsw i32 %ev, %a
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ret i32 %1
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}
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